18857018

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{2339}}^1$

素因数の和:2509

約数の個数: 16

約数和(自身を含む): 29484000

約数和(自身を除く): 10626982

約数列:

[1, 2, 29, 58, 139, 278, 2339, 4031, 4678, 8062, 67831, 135662, 325121, 650242, 9428509, 18857018]

約数ペア:

[(1, 18857018), (2, 9428509), (29, 650242), (58, 325121), (139, 135662), (278, 67831), (2339, 8062), (4031, 4678)]