19860181

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:600

約数の個数: 16

約数和(自身を含む): 22579200

約数和(自身を除く): 2719019

約数列:

[1, 11, 31, 139, 341, 419, 1529, 4309, 4609, 12989, 47399, 58241, 142879, 640651, 1805471, 19860181]

約数ペア:

[(1, 19860181), (11, 1805471), (31, 640651), (139, 142879), (341, 58241), (419, 47399), (1529, 12989), (4309, 4609)]