19251540

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{463}}^1$

素因数の和:499

約数の個数: 192

約数和(自身を含む): 74833920

約数和(自身を除く): 55582380

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 27, 28, 30, 33, 35, 36, 42, 44, 45, 54, 55, 60, 63, 66, 70, 77, 84, 90, 99, 105, 108, 110, 126, 132, 135, 140, 154, 165, 180, 189, 198, 210, 220, 231, 252, 270, 297, 308, 315, 330, 378, 385, 396, 420, 462, 463, 495, 540, 594, 630, 660, 693, 756, 770, 924, 926, 945, 990, 1155, 1188, 1260, 1386, 1389, 1485, 1540, 1852, 1890, 1980, 2079, 2310, 2315, 2772, 2778, 2970, 3241, 3465, 3780, 4158, 4167, 4620, 4630, 5093, 5556, 5940, 6482, 6930, 6945, 8316, 8334, 9260, 9723, 10186, 10395, 12501, 12964, 13860, 13890, 15279, 16205, 16668, 19446, 20372, 20790, 20835, 25002, 25465, 27780, 29169, 30558, 32410, 35651, 38892, 41580, 41670, 45837, 48615, 50004, 50930, 58338, 61116, 62505, 64820, 71302, 76395, 83340, 87507, 91674, 97230, 101860, 106953, 116676, 125010, 137511, 142604, 145845, 152790, 175014, 178255, 183348, 194460, 213906, 229185, 250020, 275022, 291690, 305580, 320859, 350028, 356510, 427812, 437535, 458370, 534765, 550044, 583380, 641718, 687555, 713020, 875070, 916740, 962577, 1069530, 1283436, 1375110, 1604295, 1750140, 1925154, 2139060, 2750220, 3208590, 3850308, 4812885, 6417180, 9625770, 19251540]

約数ペア:

[(1, 19251540), (2, 9625770), (3, 6417180), (4, 4812885), (5, 3850308), (6, 3208590), (7, 2750220), (9, 2139060), (10, 1925154), (11, 1750140), (12, 1604295), (14, 1375110), (15, 1283436), (18, 1069530), (20, 962577), (21, 916740), (22, 875070), (27, 713020), (28, 687555), (30, 641718), (33, 583380), (35, 550044), (36, 534765), (42, 458370), (44, 437535), (45, 427812), (54, 356510), (55, 350028), (60, 320859), (63, 305580), (66, 291690), (70, 275022), (77, 250020), (84, 229185), (90, 213906), (99, 194460), (105, 183348), (108, 178255), (110, 175014), (126, 152790), (132, 145845), (135, 142604), (140, 137511), (154, 125010), (165, 116676), (180, 106953), (189, 101860), (198, 97230), (210, 91674), (220, 87507), (231, 83340), (252, 76395), (270, 71302), (297, 64820), (308, 62505), (315, 61116), (330, 58338), (378, 50930), (385, 50004), (396, 48615), (420, 45837), (462, 41670), (463, 41580), (495, 38892), (540, 35651), (594, 32410), (630, 30558), (660, 29169), (693, 27780), (756, 25465), (770, 25002), (924, 20835), (926, 20790), (945, 20372), (990, 19446), (1155, 16668), (1188, 16205), (1260, 15279), (1386, 13890), (1389, 13860), (1485, 12964), (1540, 12501), (1852, 10395), (1890, 10186), (1980, 9723), (2079, 9260), (2310, 8334), (2315, 8316), (2772, 6945), (2778, 6930), (2970, 6482), (3241, 5940), (3465, 5556), (3780, 5093), (4158, 4630), (4167, 4620)]