18871170023

素因数分解:

${\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{991}}^1\times {\mathrm{2383}}^1$

素因数の和:3566

約数の個数: 16

約数和(自身を含む): 19354570752

約数和(自身を除く): 483400729

約数列:

[1, 61, 131, 991, 2383, 7991, 60451, 129821, 145363, 312173, 2361553, 7919081, 19042553, 144054733, 309363443, 18871170023]

約数ペア:

[(1, 18871170023), (61, 309363443), (131, 144054733), (991, 19042553), (2383, 7919081), (7991, 2361553), (60451, 312173), (129821, 145363)]