18840374

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43411}}^1$

素因数の和:43451

約数の個数: 16

約数和(自身を含む): 33340416

約数和(自身を除く): 14500042

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 43411, 86822, 303877, 607754, 1345741, 2691482, 9420187, 18840374]

約数ペア:

[(1, 18840374), (2, 9420187), (7, 2691482), (14, 1345741), (31, 607754), (62, 303877), (217, 86822), (434, 43411)]