18998110

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7949}}^1$

素因数の和:8195

約数の個数: 16

約数和(自身を含む): 34344000

約数和(自身を除く): 15345890

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 7949, 15898, 39745, 79490, 1899811, 3799622, 9499055, 18998110]

約数ペア:

[(1, 18998110), (2, 9499055), (5, 3799622), (10, 1899811), (239, 79490), (478, 39745), (1195, 15898), (2390, 7949)]