18564872

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{80021}}^1$

素因数の和:80056

約数の個数: 16

約数和(自身を含む): 36009900

約数和(自身を除く): 17445028

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 80021, 160042, 320084, 640168, 2320609, 4641218, 9282436, 18564872]

約数ペア:

[(1, 18564872), (2, 9282436), (4, 4641218), (8, 2320609), (29, 640168), (58, 320084), (116, 160042), (232, 80021)]