18388239

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{1327}}^1$

素因数の和:1510

約数の個数: 16

約数和(自身を含む): 25497600

約数和(自身を除く): 7109361

約数列:

[1, 3, 31, 93, 149, 447, 1327, 3981, 4619, 13857, 41137, 123411, 197723, 593169, 6129413, 18388239]

約数ペア:

[(1, 18388239), (3, 6129413), (31, 593169), (93, 197723), (149, 123411), (447, 41137), (1327, 13857), (3981, 4619)]