19164431

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^4\times {\mathrm{61}}^1$

素因数の和:124

約数の個数: 20

約数和(自身を含む): 23020104

約数和(自身を除く): 3855673

約数列:

[1, 11, 13, 61, 143, 169, 671, 793, 1859, 2197, 8723, 10309, 24167, 28561, 113399, 134017, 314171, 1474187, 1742221, 19164431]

約数ペア:

[(1, 19164431), (11, 1742221), (13, 1474187), (61, 314171), (143, 134017), (169, 113399), (671, 28561), (793, 24167), (1859, 10309), (2197, 8723)]