18161017

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{19507}}^1$

素因数の和:19540

約数の個数: 12

約数和(自身を含む): 22239120

約数和(自身を除く): 4078103

約数列:

[1, 7, 19, 49, 133, 931, 19507, 136549, 370633, 955843, 2594431, 18161017]

約数ペア:

[(1, 18161017), (7, 2594431), (19, 955843), (49, 370633), (133, 136549), (931, 19507)]