19250875

素因数分解:

$5^3\times 7^3\times {\mathrm{449}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 28080000

約数和(自身を除く): 8829125

約数列:

[1, 5, 7, 25, 35, 49, 125, 175, 245, 343, 449, 875, 1225, 1715, 2245, 3143, 6125, 8575, 11225, 15715, 22001, 42875, 56125, 78575, 110005, 154007, 392875, 550025, 770035, 2750125, 3850175, 19250875]

約数ペア:

[(1, 19250875), (5, 3850175), (7, 2750125), (25, 770035), (35, 550025), (49, 392875), (125, 154007), (175, 110005), (245, 78575), (343, 56125), (449, 42875), (875, 22001), (1225, 15715), (1715, 11225), (2245, 8575), (3143, 6125)]