19742898

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{277}}^1\times {\mathrm{1697}}^1$

素因数の和:1986

約数の個数: 32

約数和(自身を含む): 45316224

約数和(自身を除く): 25573326

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 277, 554, 831, 1662, 1697, 1939, 3394, 3878, 5091, 5817, 10182, 11634, 11879, 23758, 35637, 71274, 470069, 940138, 1410207, 2820414, 3290483, 6580966, 9871449, 19742898]

約数ペア:

[(1, 19742898), (2, 9871449), (3, 6580966), (6, 3290483), (7, 2820414), (14, 1410207), (21, 940138), (42, 470069), (277, 71274), (554, 35637), (831, 23758), (1662, 11879), (1697, 11634), (1939, 10182), (3394, 5817), (3878, 5091)]