19612540

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12413}}^1$

素因数の和:12501

約数の個数: 24

約数和(自身を含む): 41711040

約数和(自身を除く): 22098500

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 12413, 24826, 49652, 62065, 124130, 248260, 980627, 1961254, 3922508, 4903135, 9806270, 19612540]

約数ペア:

[(1, 19612540), (2, 9806270), (4, 4903135), (5, 3922508), (10, 1961254), (20, 980627), (79, 248260), (158, 124130), (316, 62065), (395, 49652), (790, 24826), (1580, 12413)]