18845868

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{36523}}^1$

素因数の和:36573

約数の個数: 24

約数和(自身を含む): 44997568

約数和(自身を除く): 26151700

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 36523, 73046, 109569, 146092, 219138, 438276, 1570489, 3140978, 4711467, 6281956, 9422934, 18845868]

約数ペア:

[(1, 18845868), (2, 9422934), (3, 6281956), (4, 4711467), (6, 3140978), (12, 1570489), (43, 438276), (86, 219138), (129, 146092), (172, 109569), (258, 73046), (516, 36523)]