19842250

素因数分解:

$2^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{571}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 37477440

約数和(自身を除く): 17635190

約数列:

[1, 2, 5, 10, 25, 50, 125, 139, 250, 278, 571, 695, 1142, 1390, 2855, 3475, 5710, 6950, 14275, 17375, 28550, 34750, 71375, 79369, 142750, 158738, 396845, 793690, 1984225, 3968450, 9921125, 19842250]

約数ペア:

[(1, 19842250), (2, 9921125), (5, 3968450), (10, 1984225), (25, 793690), (50, 396845), (125, 158738), (139, 142750), (250, 79369), (278, 71375), (571, 34750), (695, 28550), (1142, 17375), (1390, 14275), (2855, 6950), (3475, 5710)]