19653340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{140381}}^1$

素因数の和:140397

約数の個数: 24

約数和(自身を含む): 47168352

約数和(自身を除く): 27515012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 140381, 280762, 561524, 701905, 982667, 1403810, 1965334, 2807620, 3930668, 4913335, 9826670, 19653340]

約数ペア:

[(1, 19653340), (2, 9826670), (4, 4913335), (5, 3930668), (7, 2807620), (10, 1965334), (14, 1403810), (20, 982667), (28, 701905), (35, 561524), (70, 280762), (140, 140381)]