15019405

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 24

約数和(自身を含む): 19504152

約数和(自身を除く): 4484747

約数列:

[1, 5, 19, 53, 95, 157, 265, 361, 785, 1007, 1805, 2983, 5035, 8321, 14915, 19133, 41605, 56677, 95665, 158099, 283385, 790495, 3003881, 15019405]

約数ペア:

[(1, 15019405), (5, 3003881), (19, 790495), (53, 283385), (95, 158099), (157, 95665), (265, 56677), (361, 41605), (785, 19133), (1007, 14915), (1805, 8321), (2983, 5035)]