18518929

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 22396136

約数和(自身を除く): 3877207

約数列:

[1, 11, 13, 61, 121, 143, 193, 671, 793, 1573, 2123, 2509, 7381, 8723, 11773, 23353, 27599, 95953, 129503, 153049, 303589, 1424533, 1683539, 18518929]

約数ペア:

[(1, 18518929), (11, 1683539), (13, 1424533), (61, 303589), (121, 153049), (143, 129503), (193, 95953), (671, 27599), (793, 23353), (1573, 11773), (2123, 8723), (2509, 7381)]