19866392

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:996

約数の個数: 64

約数和(自身を含む): 47476800

約数和(自身を除く): 27610408

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 29, 52, 56, 58, 91, 104, 116, 182, 203, 232, 364, 377, 406, 728, 754, 812, 941, 1508, 1624, 1882, 2639, 3016, 3764, 5278, 6587, 7528, 10556, 12233, 13174, 21112, 24466, 26348, 27289, 48932, 52696, 54578, 85631, 97864, 109156, 171262, 191023, 218312, 342524, 354757, 382046, 685048, 709514, 764092, 1419028, 1528184, 2483299, 2838056, 4966598, 9933196, 19866392]

約数ペア:

[(1, 19866392), (2, 9933196), (4, 4966598), (7, 2838056), (8, 2483299), (13, 1528184), (14, 1419028), (26, 764092), (28, 709514), (29, 685048), (52, 382046), (56, 354757), (58, 342524), (91, 218312), (104, 191023), (116, 171262), (182, 109156), (203, 97864), (232, 85631), (364, 54578), (377, 52696), (406, 48932), (728, 27289), (754, 26348), (812, 24466), (941, 21112), (1508, 13174), (1624, 12233), (1882, 10556), (2639, 7528), (3016, 6587), (3764, 5278)]