18416780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{54167}}^1$

素因数の和:54193

約数の個数: 24

約数和(自身を含む): 40951008

約数和(自身を除く): 22534228

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 54167, 108334, 216668, 270835, 541670, 920839, 1083340, 1841678, 3683356, 4604195, 9208390, 18416780]

約数ペア:

[(1, 18416780), (2, 9208390), (4, 4604195), (5, 3683356), (10, 1841678), (17, 1083340), (20, 920839), (34, 541670), (68, 270835), (85, 216668), (170, 108334), (340, 54167)]