15764870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{397}}^1$

素因数の和:453

約数の個数: 48

約数和(自身を含む): 32753808

約数和(自身を除く): 16988938

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 361, 397, 418, 722, 794, 1045, 1805, 1985, 2090, 3610, 3970, 3971, 4367, 7543, 7942, 8734, 15086, 19855, 21835, 37715, 39710, 43670, 75430, 82973, 143317, 165946, 286634, 414865, 716585, 829730, 1433170, 1576487, 3152974, 7882435, 15764870]

約数ペア:

[(1, 15764870), (2, 7882435), (5, 3152974), (10, 1576487), (11, 1433170), (19, 829730), (22, 716585), (38, 414865), (55, 286634), (95, 165946), (110, 143317), (190, 82973), (209, 75430), (361, 43670), (397, 39710), (418, 37715), (722, 21835), (794, 19855), (1045, 15086), (1805, 8734), (1985, 7942), (2090, 7543), (3610, 4367), (3970, 3971)]