12791218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:534

約数の個数: 32

約数和(自身を含む): 22394880

約数和(自身を除く): 9603662

約数列:

[1, 2, 11, 19, 22, 38, 71, 142, 209, 418, 431, 781, 862, 1349, 1562, 2698, 4741, 8189, 9482, 14839, 16378, 29678, 30601, 61202, 90079, 180158, 336611, 581419, 673222, 1162838, 6395609, 12791218]

約数ペア:

[(1, 12791218), (2, 6395609), (11, 1162838), (19, 673222), (22, 581419), (38, 336611), (71, 180158), (142, 90079), (209, 61202), (418, 30601), (431, 29678), (781, 16378), (862, 14839), (1349, 9482), (1562, 8189), (2698, 4741)]