19809550

素因数分解:

$2^1\times 5^2\times {\mathrm{149}}^1\times {\mathrm{2659}}^1$

素因数の和:2820

約数の個数: 24

約数和(自身を含む): 37107000

約数和(自身を除く): 17297450

約数列:

[1, 2, 5, 10, 25, 50, 149, 298, 745, 1490, 2659, 3725, 5318, 7450, 13295, 26590, 66475, 132950, 396191, 792382, 1980955, 3961910, 9904775, 19809550]

約数ペア:

[(1, 19809550), (2, 9904775), (5, 3961910), (10, 1980955), (25, 792382), (50, 396191), (149, 132950), (298, 66475), (745, 26590), (1490, 13295), (2659, 7450), (3725, 5318)]