18162556

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{677}}^1$

素因数の和:1053

約数の個数: 24

約数和(自身を含む): 33601680

約数和(自身を除く): 15439124

約数列:

[1, 2, 4, 19, 38, 76, 353, 677, 706, 1354, 1412, 2708, 6707, 12863, 13414, 25726, 26828, 51452, 238981, 477962, 955924, 4540639, 9081278, 18162556]

約数ペア:

[(1, 18162556), (2, 9081278), (4, 4540639), (19, 955924), (38, 477962), (76, 238981), (353, 51452), (677, 26828), (706, 25726), (1354, 13414), (1412, 12863), (2708, 6707)]