18961910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15671}}^1$

素因数の和:15700

約数の個数: 24

約数和(自身を含む): 37518768

約数和(自身を除く): 18556858

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 15671, 31342, 78355, 156710, 172381, 344762, 861905, 1723810, 1896191, 3792382, 9480955, 18961910]

約数ペア:

[(1, 18961910), (2, 9480955), (5, 3792382), (10, 1896191), (11, 1723810), (22, 861905), (55, 344762), (110, 172381), (121, 156710), (242, 78355), (605, 31342), (1210, 15671)]