19924641

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{643}}^1$

素因数の和:973

約数の個数: 24

約数和(自身を含む): 31545696

約数和(自身を除く): 11621055

約数列:

[1, 3, 9, 11, 33, 99, 313, 643, 939, 1929, 2817, 3443, 5787, 7073, 10329, 21219, 30987, 63657, 201259, 603777, 1811331, 2213849, 6641547, 19924641]

約数ペア:

[(1, 19924641), (3, 6641547), (9, 2213849), (11, 1811331), (33, 603777), (99, 201259), (313, 63657), (643, 30987), (939, 21219), (1929, 10329), (2817, 7073), (3443, 5787)]