18213584258

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1\times {\mathrm{4001}}^1$

素因数の和:4538

約数の個数: 32

約数和(自身を含む): 28293435648

約数和(自身を除く): 10079851390

約数列:

[1, 2, 37, 74, 227, 271, 454, 542, 4001, 8002, 8399, 10027, 16798, 20054, 61517, 123034, 148037, 296074, 908227, 1084271, 1816454, 2168542, 2276129, 4552258, 33604399, 40118027, 67208798, 80236054, 246129517, 492259034, 9106792129, 18213584258]

約数ペア:

[(1, 18213584258), (2, 9106792129), (37, 492259034), (74, 246129517), (227, 80236054), (271, 67208798), (454, 40118027), (542, 33604399), (4001, 4552258), (8002, 2276129), (8399, 2168542), (10027, 1816454), (16798, 1084271), (20054, 908227), (61517, 296074), (123034, 148037)]