17966772020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47280979}}^1$

素因数の和:47281007

約数の個数: 24

約数和(自身を含む): 39716023200

約数和(自身を除く): 21749251180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 47280979, 94561958, 189123916, 236404895, 472809790, 898338601, 945619580, 1796677202, 3593354404, 4491693005, 8983386010, 17966772020]

約数ペア:

[(1, 17966772020), (2, 8983386010), (4, 4491693005), (5, 3593354404), (10, 1796677202), (19, 945619580), (20, 898338601), (38, 472809790), (76, 236404895), (95, 189123916), (190, 94561958), (380, 47280979)]