19941508

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{269}}^1\times {\mathrm{431}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 35925120

約数和(自身を除く): 15983612

約数列:

[1, 2, 4, 43, 86, 172, 269, 431, 538, 862, 1076, 1724, 11567, 18533, 23134, 37066, 46268, 74132, 115939, 231878, 463756, 4985377, 9970754, 19941508]

約数ペア:

[(1, 19941508), (2, 9970754), (4, 4985377), (43, 463756), (86, 231878), (172, 115939), (269, 74132), (431, 46268), (538, 37066), (862, 23134), (1076, 18533), (1724, 11567)]