19871050

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3517}}^1$

素因数の和:3642

約数の個数: 24

約数和(自身を含む): 37297836

約数和(自身を除く): 17426786

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3517, 5650, 7034, 17585, 35170, 87925, 175850, 397421, 794842, 1987105, 3974210, 9935525, 19871050]

約数ペア:

[(1, 19871050), (2, 9935525), (5, 3974210), (10, 1987105), (25, 794842), (50, 397421), (113, 175850), (226, 87925), (565, 35170), (1130, 17585), (2825, 7034), (3517, 5650)]