19900408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{226141}}^1$

素因数の和:226158

約数の個数: 16

約数和(自身を含む): 40705560

約数和(自身を除く): 20805152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 226141, 452282, 904564, 1809128, 2487551, 4975102, 9950204, 19900408]

約数ペア:

[(1, 19900408), (2, 9950204), (4, 4975102), (8, 2487551), (11, 1809128), (22, 904564), (44, 452282), (88, 226141)]