18406647

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12703}}^1$

素因数の和:12739

約数の個数: 24

約数和(自身を含む): 31709184

約数和(自身を除く): 13302537

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12703, 38109, 88921, 114327, 266763, 292169, 800289, 876507, 2045183, 2629521, 6135549, 18406647]

約数ペア:

[(1, 18406647), (3, 6135549), (7, 2629521), (9, 2045183), (21, 876507), (23, 800289), (63, 292169), (69, 266763), (161, 114327), (207, 88921), (483, 38109), (1449, 12703)]