19431105

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 32277504

約数和(自身を除く): 12846399

約数列:

[1, 3, 5, 15, 37, 111, 157, 185, 223, 471, 555, 669, 785, 1115, 2355, 3345, 5809, 8251, 17427, 24753, 29045, 35011, 41255, 87135, 105033, 123765, 175055, 525165, 1295407, 3886221, 6477035, 19431105]

約数ペア:

[(1, 19431105), (3, 6477035), (5, 3886221), (15, 1295407), (37, 525165), (111, 175055), (157, 123765), (185, 105033), (223, 87135), (471, 41255), (555, 35011), (669, 29045), (785, 24753), (1115, 17427), (2355, 8251), (3345, 5809)]