18872025

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{8117}}^1$

素因数の和:8161

約数の個数: 24

約数和(自身を含む): 32212224

約数和(自身を除く): 13340199

約数列:

[1, 3, 5, 15, 25, 31, 75, 93, 155, 465, 775, 2325, 8117, 24351, 40585, 121755, 202925, 251627, 608775, 754881, 1258135, 3774405, 6290675, 18872025]

約数ペア:

[(1, 18872025), (3, 6290675), (5, 3774405), (15, 1258135), (25, 754881), (31, 608775), (75, 251627), (93, 202925), (155, 121755), (465, 40585), (775, 24351), (2325, 8117)]