19912228512

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^4\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:545

約数の個数: 240

約数和(自身を含む): 59480789760

約数和(自身を除く): 39568561248

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 66, 88, 93, 96, 121, 124, 132, 176, 186, 242, 248, 264, 341, 352, 363, 372, 457, 484, 496, 528, 682, 726, 744, 914, 968, 992, 1023, 1056, 1331, 1364, 1371, 1452, 1488, 1828, 1936, 2046, 2662, 2728, 2742, 2904, 2976, 3656, 3751, 3872, 3993, 4092, 5027, 5324, 5456, 5484, 5808, 7312, 7502, 7986, 8184, 10054, 10648, 10912, 10968, 11253, 11616, 14167, 14624, 14641, 15004, 15081, 15972, 16368, 20108, 21296, 21936, 22506, 28334, 29282, 30008, 30162, 31944, 32736, 40216, 41261, 42501, 42592, 43872, 43923, 45012, 55297, 56668, 58564, 60016, 60324, 63888, 80432, 82522, 85002, 87846, 90024, 110594, 113336, 117128, 120032, 120648, 123783, 127776, 155837, 160864, 165044, 165891, 170004, 175692, 180048, 221188, 226672, 234256, 241296, 247566, 311674, 330088, 331782, 340008, 351384, 360096, 442376, 453344, 453871, 467511, 468512, 482592, 495132, 608267, 623348, 660176, 663564, 680016, 702768, 884752, 907742, 935022, 990264, 1216534, 1246696, 1320352, 1327128, 1360032, 1361613, 1405536, 1714207, 1769504, 1815484, 1824801, 1870044, 1980528, 2433068, 2493392, 2654256, 2723226, 3428414, 3630968, 3649602, 3740088, 3961056, 4866136, 4986784, 5142621, 5308512, 5446452, 6690937, 6856828, 7261936, 7299204, 7480176, 9732272, 10285242, 10892904, 13381874, 13713656, 14523872, 14598408, 14960352, 18856277, 19464544, 20072811, 20570484, 21785808, 26763748, 27427312, 29196816, 37712554, 40145622, 41140968, 43571616, 53527496, 54854624, 56568831, 58393632, 75425108, 80291244, 82281936, 107054992, 113137662, 150850216, 160582488, 164563872, 207419047, 214109984, 226275324, 301700432, 321164976, 414838094, 452550648, 603400864, 622257141, 642329952, 829676188, 905101296, 1244514282, 1659352376, 1810202592, 2489028564, 3318704752, 4978057128, 6637409504, 9956114256, 19912228512]

約数ペア:

[(1, 19912228512), (2, 9956114256), (3, 6637409504), (4, 4978057128), (6, 3318704752), (8, 2489028564), (11, 1810202592), (12, 1659352376), (16, 1244514282), (22, 905101296), (24, 829676188), (31, 642329952), (32, 622257141), (33, 603400864), (44, 452550648), (48, 414838094), (62, 321164976), (66, 301700432), (88, 226275324), (93, 214109984), (96, 207419047), (121, 164563872), (124, 160582488), (132, 150850216), (176, 113137662), (186, 107054992), (242, 82281936), (248, 80291244), (264, 75425108), (341, 58393632), (352, 56568831), (363, 54854624), (372, 53527496), (457, 43571616), (484, 41140968), (496, 40145622), (528, 37712554), (682, 29196816), (726, 27427312), (744, 26763748), (914, 21785808), (968, 20570484), (992, 20072811), (1023, 19464544), (1056, 18856277), (1331, 14960352), (1364, 14598408), (1371, 14523872), (1452, 13713656), (1488, 13381874), (1828, 10892904), (1936, 10285242), (2046, 9732272), (2662, 7480176), (2728, 7299204), (2742, 7261936), (2904, 6856828), (2976, 6690937), (3656, 5446452), (3751, 5308512), (3872, 5142621), (3993, 4986784), (4092, 4866136), (5027, 3961056), (5324, 3740088), (5456, 3649602), (5484, 3630968), (5808, 3428414), (7312, 2723226), (7502, 2654256), (7986, 2493392), (8184, 2433068), (10054, 1980528), (10648, 1870044), (10912, 1824801), (10968, 1815484), (11253, 1769504), (11616, 1714207), (14167, 1405536), (14624, 1361613), (14641, 1360032), (15004, 1327128), (15081, 1320352), (15972, 1246696), (16368, 1216534), (20108, 990264), (21296, 935022), (21936, 907742), (22506, 884752), (28334, 702768), (29282, 680016), (30008, 663564), (30162, 660176), (31944, 623348), (32736, 608267), (40216, 495132), (41261, 482592), (42501, 468512), (42592, 467511), (43872, 453871), (43923, 453344), (45012, 442376), (55297, 360096), (56668, 351384), (58564, 340008), (60016, 331782), (60324, 330088), (63888, 311674), (80432, 247566), (82522, 241296), (85002, 234256), (87846, 226672), (90024, 221188), (110594, 180048), (113336, 175692), (117128, 170004), (120032, 165891), (120648, 165044), (123783, 160864), (127776, 155837)]