18506994

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{280409}}^1$

素因数の和:280425

約数の個数: 16

約数和(自身を含む): 40379040

約数和(自身を除く): 21872046

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 280409, 560818, 841227, 1682454, 3084499, 6168998, 9253497, 18506994]

約数ペア:

[(1, 18506994), (2, 9253497), (3, 6168998), (6, 3084499), (11, 1682454), (22, 841227), (33, 560818), (66, 280409)]