19257620

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6133}}^1$

素因数の和:6299

約数の個数: 24

約数和(自身を含む): 40705224

約数和(自身を除く): 21447604

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6133, 12266, 24532, 30665, 61330, 122660, 962881, 1925762, 3851524, 4814405, 9628810, 19257620]

約数ペア:

[(1, 19257620), (2, 9628810), (4, 4814405), (5, 3851524), (10, 1925762), (20, 962881), (157, 122660), (314, 61330), (628, 30665), (785, 24532), (1570, 12266), (3140, 6133)]