19095021

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{739}}^1$

素因数の和:791

約数の個数: 40

約数和(自身を含む): 32234400

約数和(自身を除く): 13139379

約数列:

[1, 3, 9, 11, 27, 29, 33, 81, 87, 99, 261, 297, 319, 739, 783, 891, 957, 2217, 2349, 2871, 6651, 8129, 8613, 19953, 21431, 24387, 25839, 59859, 64293, 73161, 192879, 219483, 235741, 578637, 658449, 707223, 1735911, 2121669, 6365007, 19095021]

約数ペア:

[(1, 19095021), (3, 6365007), (9, 2121669), (11, 1735911), (27, 707223), (29, 658449), (33, 578637), (81, 235741), (87, 219483), (99, 192879), (261, 73161), (297, 64293), (319, 59859), (739, 25839), (783, 24387), (891, 21431), (957, 19953), (2217, 8613), (2349, 8129), (2871, 6651)]