18109619

素因数分解:

${\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:406

約数の個数: 16

約数和(自身を含む): 20329056

約数和(自身を除く): 2219437

約数列:

[1, 11, 61, 137, 197, 671, 1507, 2167, 8357, 12017, 26989, 91927, 132187, 296879, 1646329, 18109619]

約数ペア:

[(1, 18109619), (11, 1646329), (61, 296879), (137, 132187), (197, 91927), (671, 26989), (1507, 12017), (2167, 8357)]