18627830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{143291}}^1$

素因数の和:143311

約数の個数: 16

約数和(自身を含む): 36109584

約数和(自身を除く): 17481754

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 143291, 286582, 716455, 1432910, 1862783, 3725566, 9313915, 18627830]

約数ペア:

[(1, 18627830), (2, 9313915), (5, 3725566), (10, 1862783), (13, 1432910), (26, 716455), (65, 286582), (130, 143291)]