18151978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{18869}}^1$

素因数の和:18921

約数の個数: 16

約数和(自身を含む): 30116520

約数和(自身を除く): 11964542

約数列:

[1, 2, 13, 26, 37, 74, 481, 962, 18869, 37738, 245297, 490594, 698153, 1396306, 9075989, 18151978]

約数ペア:

[(1, 18151978), (2, 9075989), (13, 1396306), (26, 698153), (37, 490594), (74, 245297), (481, 37738), (962, 18869)]