18668839

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2659}}^1$

素因数の和:2742

約数の個数: 16

約数和(自身を含む): 22982400

約数和(自身を除く): 4313561

約数列:

[1, 7, 17, 59, 119, 413, 1003, 2659, 7021, 18613, 45203, 156881, 316421, 1098167, 2666977, 18668839]

約数ペア:

[(1, 18668839), (7, 2666977), (17, 1098167), (59, 316421), (119, 156881), (413, 45203), (1003, 18613), (2659, 7021)]