19943590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68771}}^1$

素因数の和:68807

約数の個数: 16

約数和(自身を含む): 37136880

約数和(自身を除く): 17193290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 68771, 137542, 343855, 687710, 1994359, 3988718, 9971795, 19943590]

約数ペア:

[(1, 19943590), (2, 9971795), (5, 3988718), (10, 1994359), (29, 687710), (58, 343855), (145, 137542), (290, 68771)]