18712908

素因数分解:

$2^2\times 3^2\times {\mathrm{519803}}^1$

素因数の和:519813

約数の個数: 18

約数和(自身を含む): 47302164

約数和(自身を除く): 28589256

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 519803, 1039606, 1559409, 2079212, 3118818, 4678227, 6237636, 9356454, 18712908]

約数ペア:

[(1, 18712908), (2, 9356454), (3, 6237636), (4, 4678227), (6, 3118818), (9, 2079212), (12, 1559409), (18, 1039606), (36, 519803)]