19399986

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{3863}}^1$

素因数の和:3908

約数の個数: 40

約数和(自身を含む): 44884224

約数和(自身を除く): 25484238

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 162, 186, 279, 558, 837, 1674, 2511, 3863, 5022, 7726, 11589, 23178, 34767, 69534, 104301, 119753, 208602, 239506, 312903, 359259, 625806, 718518, 1077777, 2155554, 3233331, 6466662, 9699993, 19399986]

約数ペア:

[(1, 19399986), (2, 9699993), (3, 6466662), (6, 3233331), (9, 2155554), (18, 1077777), (27, 718518), (31, 625806), (54, 359259), (62, 312903), (81, 239506), (93, 208602), (162, 119753), (186, 104301), (279, 69534), (558, 34767), (837, 23178), (1674, 11589), (2511, 7726), (3863, 5022)]