18243868

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1453}}^1$

素因数の和:1573

約数の個数: 24

約数和(自身を含む): 33139568

約数和(自身を除く): 14895700

約数列:

[1, 2, 4, 43, 73, 86, 146, 172, 292, 1453, 2906, 3139, 5812, 6278, 12556, 62479, 106069, 124958, 212138, 249916, 424276, 4560967, 9121934, 18243868]

約数ペア:

[(1, 18243868), (2, 9121934), (4, 4560967), (43, 424276), (73, 249916), (86, 212138), (146, 124958), (172, 106069), (292, 62479), (1453, 12556), (2906, 6278), (3139, 5812)]