858165020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2258329}}^1$

素因数の和:2258357

約数の個数: 24

約数和(自身を含む): 1896997200

約数和(自身を除く): 1038832180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 2258329, 4516658, 9033316, 11291645, 22583290, 42908251, 45166580, 85816502, 171633004, 214541255, 429082510, 858165020]

約数ペア:

[(1, 858165020), (2, 429082510), (4, 214541255), (5, 171633004), (10, 85816502), (19, 45166580), (20, 42908251), (38, 22583290), (76, 11291645), (95, 9033316), (190, 4516658), (380, 2258329)]