19832980

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{3529}}^1$

素因数の和:3819

約数の個数: 24

約数和(自身を含む): 41809320

約数和(自身を除く): 21976340

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 3529, 5620, 7058, 14116, 17645, 35290, 70580, 991649, 1983298, 3966596, 4958245, 9916490, 19832980]

約数ペア:

[(1, 19832980), (2, 9916490), (4, 4958245), (5, 3966596), (10, 1983298), (20, 991649), (281, 70580), (562, 35290), (1124, 17645), (1405, 14116), (2810, 7058), (3529, 5620)]