19883845

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{4021}}^1$

素因数の和:4092

約数の個数: 16

約数和(自身を含む): 25483392

約数和(自身を除く): 5599547

約数列:

[1, 5, 23, 43, 115, 215, 989, 4021, 4945, 20105, 92483, 172903, 462415, 864515, 3976769, 19883845]

約数ペア:

[(1, 19883845), (5, 3976769), (23, 864515), (43, 462415), (115, 172903), (215, 92483), (989, 20105), (4021, 4945)]