19809421630

素因数分解:

$2^1\times 5^1\times {\mathrm{1980942163}}^1$

素因数の和:1980942170

約数の個数: 8

約数和(自身を含む): 35656958952

約数和(自身を除く): 15847537322

約数列:

[1, 2, 5, 10, 1980942163, 3961884326, 9904710815, 19809421630]

約数ペア:

[(1, 19809421630), (2, 9904710815), (5, 3961884326), (10, 1980942163)]