18392171

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2267}}^1$

素因数の和:2354

約数の個数: 16

約数和(自身を含む): 22498560

約数和(自身を除く): 4106389

約数列:

[1, 7, 19, 61, 133, 427, 1159, 2267, 8113, 15869, 43073, 138287, 301511, 968009, 2627453, 18392171]

約数ペア:

[(1, 18392171), (7, 2627453), (19, 968009), (61, 301511), (133, 138287), (427, 43073), (1159, 15869), (2267, 8113)]