18774133

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{419}}^1$

素因数の和:636

約数の個数: 16

約数和(自身を含む): 22216320

約数和(自身を除く): 3442187

約数列:

[1, 7, 37, 173, 259, 419, 1211, 2933, 6401, 15503, 44807, 72487, 108521, 507409, 2682019, 18774133]

約数ペア:

[(1, 18774133), (7, 2682019), (37, 507409), (173, 108521), (259, 72487), (419, 44807), (1211, 15503), (2933, 6401)]