18420978

素因数分解:

$2^1\times 3^1\times {\mathrm{373}}^1\times {\mathrm{8231}}^1$

素因数の和:8609

約数の個数: 16

約数和(自身を含む): 36945216

約数和(自身を除く): 18524238

約数列:

[1, 2, 3, 6, 373, 746, 1119, 2238, 8231, 16462, 24693, 49386, 3070163, 6140326, 9210489, 18420978]

約数ペア:

[(1, 18420978), (2, 9210489), (3, 6140326), (6, 3070163), (373, 49386), (746, 24693), (1119, 16462), (2238, 8231)]