18117305

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 22284288

約数和(自身を除く): 4166983

約数列:

[1, 5, 61, 191, 305, 311, 955, 1555, 11651, 18971, 58255, 59401, 94855, 297005, 3623461, 18117305]

約数ペア:

[(1, 18117305), (5, 3623461), (61, 297005), (191, 94855), (305, 59401), (311, 58255), (955, 18971), (1555, 11651)]