18606820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{30011}}^1$

素因数の和:30051

約数の個数: 24

約数和(自身を含む): 40336128

約数和(自身を除く): 21729308

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 30011, 60022, 120044, 150055, 300110, 600220, 930341, 1860682, 3721364, 4651705, 9303410, 18606820]

約数ペア:

[(1, 18606820), (2, 9303410), (4, 4651705), (5, 3721364), (10, 1860682), (20, 930341), (31, 600220), (62, 300110), (124, 150055), (155, 120044), (310, 60022), (620, 30011)]