18578219

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{8081}}^1$

素因数の和:8122

約数の個数: 12

約数和(自身を含む): 21498120

約数和(自身を除く): 2919901

約数列:

[1, 11, 19, 121, 209, 2299, 8081, 88891, 153539, 977801, 1688929, 18578219]

約数ペア:

[(1, 18578219), (11, 1688929), (19, 977801), (121, 153539), (209, 88891), (2299, 8081)]