18339794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2143}}^1$

素因数の和:2545

約数の個数: 16

約数和(自身を含む): 30101760

約数和(自身を除く): 11761966

約数列:

[1, 2, 11, 22, 389, 778, 2143, 4279, 4286, 8558, 23573, 47146, 833627, 1667254, 9169897, 18339794]

約数ペア:

[(1, 18339794), (2, 9169897), (11, 1667254), (22, 833627), (389, 47146), (778, 23573), (2143, 8558), (4279, 4286)]