19251340

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{6131}}^1$

素因数の和:6297

約数の個数: 24

約数和(自身を含む): 40691952

約数和(自身を除く): 21440612

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 6131, 12262, 24524, 30655, 61310, 122620, 962567, 1925134, 3850268, 4812835, 9625670, 19251340]

約数ペア:

[(1, 19251340), (2, 9625670), (4, 4812835), (5, 3850268), (10, 1925134), (20, 962567), (157, 122620), (314, 61310), (628, 30655), (785, 24524), (1570, 12262), (3140, 6131)]