18419120

素因数分解:

$2^4\times 5^1\times {\mathrm{230239}}^1$

素因数の和:230252

約数の個数: 20

約数和(自身を含む): 42824640

約数和(自身を除く): 24405520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230239, 460478, 920956, 1151195, 1841912, 2302390, 3683824, 4604780, 9209560, 18419120]

約数ペア:

[(1, 18419120), (2, 9209560), (4, 4604780), (5, 3683824), (8, 2302390), (10, 1841912), (16, 1151195), (20, 920956), (40, 460478), (80, 230239)]