22181978

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{397}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 41188224

約数和(自身を除く): 19006246

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 307, 397, 614, 794, 2149, 2779, 3991, 4298, 5161, 5558, 7982, 10322, 27937, 36127, 55874, 72254, 121879, 243758, 853153, 1584427, 1706306, 3168854, 11090989, 22181978]

約数ペア:

[(1, 22181978), (2, 11090989), (7, 3168854), (13, 1706306), (14, 1584427), (26, 853153), (91, 243758), (182, 121879), (307, 72254), (397, 55874), (614, 36127), (794, 27937), (2149, 10322), (2779, 7982), (3991, 5558), (4298, 5161)]