18293995

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{383}}^1$

素因数の和:662

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 4349717

約数列:

[1, 5, 41, 205, 233, 383, 1165, 1915, 9553, 15703, 47765, 78515, 89239, 446195, 3658799, 18293995]

約数ペア:

[(1, 18293995), (5, 3658799), (41, 446195), (205, 89239), (233, 78515), (383, 47765), (1165, 15703), (1915, 9553)]