18861830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{145091}}^1$

素因数の和:145111

約数の個数: 16

約数和(自身を含む): 36563184

約数和(自身を除く): 17701354

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 145091, 290182, 725455, 1450910, 1886183, 3772366, 9430915, 18861830]

約数ペア:

[(1, 18861830), (2, 9430915), (5, 3772366), (10, 1886183), (13, 1450910), (26, 725455), (65, 290182), (130, 145091)]