19726641

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{6871}}^1$

素因数の和:6917

約数の個数: 24

約数和(自身を含む): 32160960

約数和(自身を除く): 12434319

約数列:

[1, 3, 9, 11, 29, 33, 87, 99, 261, 319, 957, 2871, 6871, 20613, 61839, 75581, 199259, 226743, 597777, 680229, 1793331, 2191849, 6575547, 19726641]

約数ペア:

[(1, 19726641), (3, 6575547), (9, 2191849), (11, 1793331), (29, 680229), (33, 597777), (87, 226743), (99, 199259), (261, 75581), (319, 61839), (957, 20613), (2871, 6871)]