18144278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{691}}^2$

素因数の和:1403

約数の個数: 12

約数和(自身を含む): 28690380

約数和(自身を除く): 10546102

約数列:

[1, 2, 19, 38, 691, 1382, 13129, 26258, 477481, 954962, 9072139, 18144278]

約数ペア:

[(1, 18144278), (2, 9072139), (19, 954962), (38, 477481), (691, 26258), (1382, 13129)]