18320439985

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{367}}^1\times {\mathrm{443}}^1\times {\mathrm{727}}^1$

素因数の和:1573

約数の個数: 32

約数和(自身を含む): 22838280192

約数和(自身を除く): 4517840207

約数列:

[1, 5, 31, 155, 367, 443, 727, 1835, 2215, 3635, 11377, 13733, 22537, 56885, 68665, 112685, 162581, 266809, 322061, 812905, 1334045, 1610305, 5040011, 8271079, 9983891, 25200055, 41355395, 49919455, 118196387, 590981935, 3664087997, 18320439985]

約数ペア:

[(1, 18320439985), (5, 3664087997), (31, 590981935), (155, 118196387), (367, 49919455), (443, 41355395), (727, 25200055), (1835, 9983891), (2215, 8271079), (3635, 5040011), (11377, 1610305), (13733, 1334045), (22537, 812905), (56885, 322061), (68665, 266809), (112685, 162581)]