19172855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{17351}}^1$

素因数の和:17386

約数の個数: 16

約数和(自身を含む): 26236224

約数和(自身を除く): 7063369

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 17351, 86755, 225563, 294967, 1127815, 1474835, 3834571, 19172855]

約数ペア:

[(1, 19172855), (5, 3834571), (13, 1474835), (17, 1127815), (65, 294967), (85, 225563), (221, 86755), (1105, 17351)]