19492540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57331}}^1$

素因数の和:57357

約数の個数: 24

約数和(自身を含む): 43342992

約数和(自身を除く): 23850452

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57331, 114662, 229324, 286655, 573310, 974627, 1146620, 1949254, 3898508, 4873135, 9746270, 19492540]

約数ペア:

[(1, 19492540), (2, 9746270), (4, 4873135), (5, 3898508), (10, 1949254), (17, 1146620), (20, 974627), (34, 573310), (68, 286655), (85, 229324), (170, 114662), (340, 57331)]