19225945

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:672

約数の個数: 16

約数和(自身を含む): 23772672

約数和(自身を除く): 4546727

約数列:

[1, 5, 43, 215, 223, 401, 1115, 2005, 9589, 17243, 47945, 86215, 89423, 447115, 3845189, 19225945]

約数ペア:

[(1, 19225945), (5, 3845189), (43, 447115), (215, 89423), (223, 86215), (401, 47945), (1115, 17243), (2005, 9589)]