18712730

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{23687}}^1$

素因数の和:23773

約数の個数: 16

約数和(自身を含む): 34110720

約数和(自身を除く): 15397990

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 23687, 47374, 118435, 236870, 1871273, 3742546, 9356365, 18712730]

約数ペア:

[(1, 18712730), (2, 9356365), (5, 3742546), (10, 1871273), (79, 236870), (158, 118435), (395, 47374), (790, 23687)]