19946241

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2311}}^1$

素因数の和:2461

約数の個数: 24

約数和(自身を含む): 33181824

約数和(自身を除く): 13235583

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2311, 2877, 6933, 8631, 16177, 20799, 48531, 145593, 316607, 949821, 2216249, 2849463, 6648747, 19946241]

約数ペア:

[(1, 19946241), (3, 6648747), (7, 2849463), (9, 2216249), (21, 949821), (63, 316607), (137, 145593), (411, 48531), (959, 20799), (1233, 16177), (2311, 8631), (2877, 6933)]