19944090544

素因数分解:

$2^4\times 7^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{467}}^1$

素因数の和:616

約数の個数: 240

約数和(自身を含む): 49220421120

約数和(自身を除く): 29276330576

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 47, 49, 56, 61, 76, 94, 98, 112, 122, 133, 152, 188, 196, 244, 266, 304, 329, 376, 392, 427, 467, 488, 532, 658, 752, 784, 854, 893, 931, 934, 976, 1064, 1159, 1316, 1708, 1786, 1862, 1868, 2128, 2303, 2318, 2632, 2867, 2989, 3269, 3416, 3572, 3724, 3736, 4606, 4636, 5264, 5734, 5978, 6251, 6538, 6832, 7144, 7448, 7472, 8113, 8873, 9212, 9272, 11468, 11956, 12502, 13076, 14288, 14896, 16226, 17746, 18424, 18544, 20069, 21949, 22883, 22936, 23912, 25004, 26152, 28487, 32452, 35492, 36848, 40138, 43757, 43898, 45766, 45872, 47824, 50008, 52304, 54473, 56791, 56974, 62111, 64904, 70984, 80276, 87514, 87796, 91532, 100016, 108946, 113582, 113948, 124222, 129808, 140483, 141968, 153643, 160552, 175028, 175592, 183064, 199409, 217892, 227164, 227896, 248444, 280966, 307286, 321104, 350056, 351184, 366128, 381311, 398818, 417031, 434777, 435784, 454328, 455792, 496888, 541253, 561932, 614572, 700112, 762622, 797636, 834062, 869554, 871568, 908656, 993776, 1075501, 1082506, 1123864, 1229144, 1338889, 1395863, 1525244, 1595272, 1668124, 1739108, 2151002, 2165012, 2247728, 2458288, 2669177, 2677778, 2791726, 2919217, 3050488, 3190544, 3336248, 3478216, 3788771, 4302004, 4330024, 5338354, 5355556, 5583452, 5838434, 6100976, 6672496, 6956432, 7577542, 8604008, 8660048, 9372223, 10676708, 10711112, 11166904, 11676868, 15155084, 17208016, 18744446, 20434519, 21353416, 21422224, 22333808, 23353736, 25438891, 26521397, 30310168, 37488892, 40869038, 42706832, 46707472, 50877782, 53042794, 60620336, 65605561, 74977784, 81738076, 101755564, 106085588, 131211122, 149955568, 163476152, 178072237, 203511128, 212171176, 262422244, 326952304, 356144474, 407022256, 424342352, 524844488, 712288948, 1049688976, 1246505659, 1424577896, 2493011318, 2849155792, 4986022636, 9972045272, 19944090544]

約数ペア:

[(1, 19944090544), (2, 9972045272), (4, 4986022636), (7, 2849155792), (8, 2493011318), (14, 1424577896), (16, 1246505659), (19, 1049688976), (28, 712288948), (38, 524844488), (47, 424342352), (49, 407022256), (56, 356144474), (61, 326952304), (76, 262422244), (94, 212171176), (98, 203511128), (112, 178072237), (122, 163476152), (133, 149955568), (152, 131211122), (188, 106085588), (196, 101755564), (244, 81738076), (266, 74977784), (304, 65605561), (329, 60620336), (376, 53042794), (392, 50877782), (427, 46707472), (467, 42706832), (488, 40869038), (532, 37488892), (658, 30310168), (752, 26521397), (784, 25438891), (854, 23353736), (893, 22333808), (931, 21422224), (934, 21353416), (976, 20434519), (1064, 18744446), (1159, 17208016), (1316, 15155084), (1708, 11676868), (1786, 11166904), (1862, 10711112), (1868, 10676708), (2128, 9372223), (2303, 8660048), (2318, 8604008), (2632, 7577542), (2867, 6956432), (2989, 6672496), (3269, 6100976), (3416, 5838434), (3572, 5583452), (3724, 5355556), (3736, 5338354), (4606, 4330024), (4636, 4302004), (5264, 3788771), (5734, 3478216), (5978, 3336248), (6251, 3190544), (6538, 3050488), (6832, 2919217), (7144, 2791726), (7448, 2677778), (7472, 2669177), (8113, 2458288), (8873, 2247728), (9212, 2165012), (9272, 2151002), (11468, 1739108), (11956, 1668124), (12502, 1595272), (13076, 1525244), (14288, 1395863), (14896, 1338889), (16226, 1229144), (17746, 1123864), (18424, 1082506), (18544, 1075501), (20069, 993776), (21949, 908656), (22883, 871568), (22936, 869554), (23912, 834062), (25004, 797636), (26152, 762622), (28487, 700112), (32452, 614572), (35492, 561932), (36848, 541253), (40138, 496888), (43757, 455792), (43898, 454328), (45766, 435784), (45872, 434777), (47824, 417031), (50008, 398818), (52304, 381311), (54473, 366128), (56791, 351184), (56974, 350056), (62111, 321104), (64904, 307286), (70984, 280966), (80276, 248444), (87514, 227896), (87796, 227164), (91532, 217892), (100016, 199409), (108946, 183064), (113582, 175592), (113948, 175028), (124222, 160552), (129808, 153643), (140483, 141968)]