19427005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17581}}^1$

素因数の和:17616

約数の個数: 16

約数和(自身を含む): 26583984

約数和(自身を除く): 7156979

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 17581, 87905, 228553, 298877, 1142765, 1494385, 3885401, 19427005]

約数ペア:

[(1, 19427005), (5, 3885401), (13, 1494385), (17, 1142765), (65, 298877), (85, 228553), (221, 87905), (1105, 17581)]