19965764

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{54851}}^1$

素因数の和:54875

約数の個数: 24

約数和(自身を含む): 43003968

約数和(自身を除く): 23038204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 54851, 109702, 219404, 383957, 713063, 767914, 1426126, 1535828, 2852252, 4991441, 9982882, 19965764]

約数ペア:

[(1, 19965764), (2, 9982882), (4, 4991441), (7, 2852252), (13, 1535828), (14, 1426126), (26, 767914), (28, 713063), (52, 383957), (91, 219404), (182, 109702), (364, 54851)]