19182818

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{163}}^2$

素因数の和:366

約数の個数: 18

約数和(自身を含む): 30555819

約数和(自身を除く): 11373001

約数列:

[1, 2, 19, 38, 163, 326, 361, 722, 3097, 6194, 26569, 53138, 58843, 117686, 504811, 1009622, 9591409, 19182818]

約数ペア:

[(1, 19182818), (2, 9591409), (19, 1009622), (38, 504811), (163, 117686), (326, 58843), (361, 53138), (722, 26569), (3097, 6194)]