19883270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{271}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 22418170

約数列:

[1, 2, 5, 10, 11, 22, 23, 29, 46, 55, 58, 110, 115, 145, 230, 253, 271, 290, 319, 506, 542, 638, 667, 1265, 1334, 1355, 1595, 2530, 2710, 2981, 3190, 3335, 5962, 6233, 6670, 7337, 7859, 12466, 14674, 14905, 15718, 29810, 31165, 36685, 39295, 62330, 68563, 73370, 78590, 86449, 137126, 172898, 180757, 342815, 361514, 432245, 685630, 864490, 903785, 1807570, 1988327, 3976654, 9941635, 19883270]

約数ペア:

[(1, 19883270), (2, 9941635), (5, 3976654), (10, 1988327), (11, 1807570), (22, 903785), (23, 864490), (29, 685630), (46, 432245), (55, 361514), (58, 342815), (110, 180757), (115, 172898), (145, 137126), (230, 86449), (253, 78590), (271, 73370), (290, 68563), (319, 62330), (506, 39295), (542, 36685), (638, 31165), (667, 29810), (1265, 15718), (1334, 14905), (1355, 14674), (1595, 12466), (2530, 7859), (2710, 7337), (2981, 6670), (3190, 6233), (3335, 5962)]