18991238

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{58979}}^1$

素因数の和:59011

約数の個数: 16

約数和(自身を含む): 33972480

約数和(自身を除く): 14981242

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 58979, 117958, 412853, 825706, 1356517, 2713034, 9495619, 18991238]

約数ペア:

[(1, 18991238), (2, 9495619), (7, 2713034), (14, 1356517), (23, 825706), (46, 412853), (161, 117958), (322, 58979)]