20180887956

素因数分解:

$2^2\times 3^2\times {\mathrm{560580221}}^1$

素因数の和:560580231

約数の個数: 18

約数和(自身を含む): 51012800202

約数和(自身を除く): 30831912246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 560580221, 1121160442, 1681740663, 2242320884, 3363481326, 5045221989, 6726962652, 10090443978, 20180887956]

約数ペア:

[(1, 20180887956), (2, 10090443978), (3, 6726962652), (4, 5045221989), (6, 3363481326), (9, 2242320884), (12, 1681740663), (18, 1121160442), (36, 560580221)]