19808150

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8429}}^1$

素因数の和:8488

約数の個数: 24

約数和(自身を含む): 37631520

約数和(自身を除く): 17823370

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 8429, 16858, 42145, 84290, 210725, 396163, 421450, 792326, 1980815, 3961630, 9904075, 19808150]

約数ペア:

[(1, 19808150), (2, 9904075), (5, 3961630), (10, 1980815), (25, 792326), (47, 421450), (50, 396163), (94, 210725), (235, 84290), (470, 42145), (1175, 16858), (2350, 8429)]