191866540

素因数分解:

$2^2\times 5^1\times {\mathrm{421}}^1\times {\mathrm{22787}}^1$

素因数の和:23217

約数の個数: 24

約数和(自身を含む): 403894512

約数和(自身を除く): 212027972

約数列:

[1, 2, 4, 5, 10, 20, 421, 842, 1684, 2105, 4210, 8420, 22787, 45574, 91148, 113935, 227870, 455740, 9593327, 19186654, 38373308, 47966635, 95933270, 191866540]

約数ペア:

[(1, 191866540), (2, 95933270), (4, 47966635), (5, 38373308), (10, 19186654), (20, 9593327), (421, 455740), (842, 227870), (1684, 113935), (2105, 91148), (4210, 45574), (8420, 22787)]