18973367

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{617}}^1$

素因数の和:838

約数の個数: 16

約数和(自身を含む): 22781952

約数和(自身を除く): 3808585

約数列:

[1, 7, 23, 161, 191, 617, 1337, 4319, 4393, 14191, 30751, 99337, 117847, 824929, 2710481, 18973367]

約数ペア:

[(1, 18973367), (7, 2710481), (23, 824929), (161, 117847), (191, 99337), (617, 30751), (1337, 14191), (4319, 4393)]