19664337

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12161}}^1$

素因数の和:12189

約数の個数: 24

約数和(自身を含む): 33275232

約数和(自身を除く): 13610895

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 12161, 36483, 85127, 133771, 255381, 401313, 595889, 936397, 1787667, 2809191, 6554779, 19664337]

約数ペア:

[(1, 19664337), (3, 6554779), (7, 2809191), (11, 1787667), (21, 936397), (33, 595889), (49, 401313), (77, 255381), (147, 133771), (231, 85127), (539, 36483), (1617, 12161)]