18969280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1$

素因数の和:362

約数の個数: 112

約数和(自身を含む): 52340256

約数和(自身を除く): 33370976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 64, 68, 80, 85, 88, 110, 136, 160, 170, 176, 187, 220, 272, 317, 320, 340, 352, 374, 440, 544, 634, 680, 704, 748, 880, 935, 1088, 1268, 1360, 1496, 1585, 1760, 1870, 2536, 2720, 2992, 3170, 3487, 3520, 3740, 5072, 5389, 5440, 5984, 6340, 6974, 7480, 10144, 10778, 11968, 12680, 13948, 14960, 17435, 20288, 21556, 25360, 26945, 27896, 29920, 34870, 43112, 50720, 53890, 55792, 59279, 59840, 69740, 86224, 101440, 107780, 111584, 118558, 139480, 172448, 215560, 223168, 237116, 278960, 296395, 344896, 431120, 474232, 557920, 592790, 862240, 948464, 1115840, 1185580, 1724480, 1896928, 2371160, 3793856, 4742320, 9484640, 18969280]

約数ペア:

[(1, 18969280), (2, 9484640), (4, 4742320), (5, 3793856), (8, 2371160), (10, 1896928), (11, 1724480), (16, 1185580), (17, 1115840), (20, 948464), (22, 862240), (32, 592790), (34, 557920), (40, 474232), (44, 431120), (55, 344896), (64, 296395), (68, 278960), (80, 237116), (85, 223168), (88, 215560), (110, 172448), (136, 139480), (160, 118558), (170, 111584), (176, 107780), (187, 101440), (220, 86224), (272, 69740), (317, 59840), (320, 59279), (340, 55792), (352, 53890), (374, 50720), (440, 43112), (544, 34870), (634, 29920), (680, 27896), (704, 26945), (748, 25360), (880, 21556), (935, 20288), (1088, 17435), (1268, 14960), (1360, 13948), (1496, 12680), (1585, 11968), (1760, 10778), (1870, 10144), (2536, 7480), (2720, 6974), (2992, 6340), (3170, 5984), (3487, 5440), (3520, 5389), (3740, 5072)]