19800162

素因数分解:

$2^1\times 3^2\times {\mathrm{1100009}}^1$

素因数の和:1100017

約数の個数: 12

約数和(自身を含む): 42900390

約数和(自身を除く): 23100228

約数列:

[1, 2, 3, 6, 9, 18, 1100009, 2200018, 3300027, 6600054, 9900081, 19800162]

約数ペア:

[(1, 19800162), (2, 9900081), (3, 6600054), (6, 3300027), (9, 2200018), (18, 1100009)]