189459990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{2105111}}^1$

素因数の和:2105124

約数の個数: 24

約数和(自身を含む): 492596208

約数和(自身を除く): 303136218

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 2105111, 4210222, 6315333, 10525555, 12630666, 18945999, 21051110, 31576665, 37891998, 63153330, 94729995, 189459990]

約数ペア:

[(1, 189459990), (2, 94729995), (3, 63153330), (5, 37891998), (6, 31576665), (9, 21051110), (10, 18945999), (15, 12630666), (18, 10525555), (30, 6315333), (45, 4210222), (90, 2105111)]