18889351

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 16

約数和(自身を含む): 21105504

約数和(自身を除く): 2216153

約数列:

[1, 13, 37, 173, 227, 481, 2249, 2951, 6401, 8399, 39271, 83213, 109187, 510523, 1453027, 18889351]

約数ペア:

[(1, 18889351), (13, 1453027), (37, 510523), (173, 109187), (227, 83213), (481, 39271), (2249, 8399), (2951, 6401)]