19403111

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2699}}^1$

素因数の和:2798

約数の個数: 16

約数和(自身を含む): 24192000

約数和(自身を除く): 4788889

約数列:

[1, 7, 13, 79, 91, 553, 1027, 2699, 7189, 18893, 35087, 213221, 245609, 1492547, 2771873, 19403111]

約数ペア:

[(1, 19403111), (7, 2771873), (13, 1492547), (79, 245609), (91, 213221), (553, 35087), (1027, 18893), (2699, 7189)]