3990190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21001}}^1$

素因数の和:21027

約数の個数: 16

約数和(自身を含む): 7560720

約数和(自身を除く): 3570530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 21001, 42002, 105005, 210010, 399019, 798038, 1995095, 3990190]

約数ペア:

[(1, 3990190), (2, 1995095), (5, 798038), (10, 399019), (19, 210010), (38, 105005), (95, 42002), (190, 21001)]