17198890

素因数分解:

$2^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{4289}}^1$

素因数の和:4697

約数の個数: 16

約数和(自身を含む): 31042440

約数和(自身を除く): 13843550

約数列:

[1, 2, 5, 10, 401, 802, 2005, 4010, 4289, 8578, 21445, 42890, 1719889, 3439778, 8599445, 17198890]

約数ペア:

[(1, 17198890), (2, 8599445), (5, 3439778), (10, 1719889), (401, 42890), (802, 21445), (2005, 8578), (4010, 4289)]