18910550

素因数分解:

$2^1\times 5^2\times {\mathrm{113}}^1\times {\mathrm{3347}}^1$

素因数の和:3472

約数の個数: 24

約数和(自身を含む): 35495496

約数和(自身を除く): 16584946

約数列:

[1, 2, 5, 10, 25, 50, 113, 226, 565, 1130, 2825, 3347, 5650, 6694, 16735, 33470, 83675, 167350, 378211, 756422, 1891055, 3782110, 9455275, 18910550]

約数ペア:

[(1, 18910550), (2, 9455275), (5, 3782110), (10, 1891055), (25, 756422), (50, 378211), (113, 167350), (226, 83675), (565, 33470), (1130, 16735), (2825, 6694), (3347, 5650)]