19903670

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6359}}^1$

素因数の和:6679

約数の個数: 16

約数和(自身を含む): 35946720

約数和(自身を除く): 16043050

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 6359, 12718, 31795, 63590, 1990367, 3980734, 9951835, 19903670]

約数ペア:

[(1, 19903670), (2, 9951835), (5, 3980734), (10, 1990367), (313, 63590), (626, 31795), (1565, 12718), (3130, 6359)]