19942758

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{2143}}^1$

素因数の和:2209

約数の個数: 48

約数和(自身を含む): 48162816

約数和(自身を除く): 28220058

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 47, 66, 94, 99, 141, 198, 282, 423, 517, 846, 1034, 1551, 2143, 3102, 4286, 4653, 6429, 9306, 12858, 19287, 23573, 38574, 47146, 70719, 100721, 141438, 201442, 212157, 302163, 424314, 604326, 906489, 1107931, 1812978, 2215862, 3323793, 6647586, 9971379, 19942758]

約数ペア:

[(1, 19942758), (2, 9971379), (3, 6647586), (6, 3323793), (9, 2215862), (11, 1812978), (18, 1107931), (22, 906489), (33, 604326), (47, 424314), (66, 302163), (94, 212157), (99, 201442), (141, 141438), (198, 100721), (282, 70719), (423, 47146), (517, 38574), (846, 23573), (1034, 19287), (1551, 12858), (2143, 9306), (3102, 6429), (4286, 4653)]