17939979

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{64301}}^1$

素因数の和:64338

約数の個数: 12

約数和(自身を含む): 26749632

約数和(自身を除く): 8809653

約数列:

[1, 3, 9, 31, 93, 279, 64301, 192903, 578709, 1993331, 5979993, 17939979]

約数ペア:

[(1, 17939979), (3, 5979993), (9, 1993331), (31, 578709), (93, 192903), (279, 64301)]