18729990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{208111}}^1$

素因数の和:208124

約数の個数: 24

約数和(自身を含む): 48698208

約数和(自身を除く): 29968218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 208111, 416222, 624333, 1040555, 1248666, 1872999, 2081110, 3121665, 3745998, 6243330, 9364995, 18729990]

約数ペア:

[(1, 18729990), (2, 9364995), (3, 6243330), (5, 3745998), (6, 3121665), (9, 2081110), (10, 1872999), (15, 1248666), (18, 1040555), (30, 624333), (45, 416222), (90, 208111)]