18899824

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{20021}}^1$

素因数の和:20088

約数の個数: 20

約数和(自身を含む): 37240920

約数和(自身を除く): 18341096

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 20021, 40042, 80084, 160168, 320336, 1181239, 2362478, 4724956, 9449912, 18899824]

約数ペア:

[(1, 18899824), (2, 9449912), (4, 4724956), (8, 2362478), (16, 1181239), (59, 320336), (118, 160168), (236, 80084), (472, 40042), (944, 20021)]