2219886

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:278

約数の個数: 40

約数和(自身を含む): 5070384

約数和(自身を除く): 2850498

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 193, 213, 386, 426, 579, 639, 1158, 1278, 1737, 1917, 3474, 3834, 5211, 5751, 10422, 11502, 13703, 15633, 27406, 31266, 41109, 82218, 123327, 246654, 369981, 739962, 1109943, 2219886]

約数ペア:

[(1, 2219886), (2, 1109943), (3, 739962), (6, 369981), (9, 246654), (18, 123327), (27, 82218), (54, 41109), (71, 31266), (81, 27406), (142, 15633), (162, 13703), (193, 11502), (213, 10422), (386, 5751), (426, 5211), (579, 3834), (639, 3474), (1158, 1917), (1278, 1737)]