18897730

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{7907}}^1$

素因数の和:8153

約数の個数: 16

約数和(自身を含む): 34162560

約数和(自身を除く): 15264830

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 7907, 15814, 39535, 79070, 1889773, 3779546, 9448865, 18897730]

約数ペア:

[(1, 18897730), (2, 9448865), (5, 3779546), (10, 1889773), (239, 79070), (478, 39535), (1195, 15814), (2390, 7907)]