18178941

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{4021}}^1$

素因数の和:4172

約数の個数: 16

約数和(自身を含む): 26641728

約数和(自身を除く): 8462787

約数列:

[1, 3, 11, 33, 137, 411, 1507, 4021, 4521, 12063, 44231, 132693, 550877, 1652631, 6059647, 18178941]

約数ペア:

[(1, 18178941), (3, 6059647), (11, 1652631), (33, 550877), (137, 132693), (411, 44231), (1507, 12063), (4021, 4521)]