19416186

素因数分解:

$2^1\times 3^7\times {\mathrm{23}}^1\times {\mathrm{193}}^1$

素因数の和:239

約数の個数: 64

約数和(自身を含む): 45815040

約数和(自身を除く): 26398854

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 81, 138, 162, 193, 207, 243, 386, 414, 486, 579, 621, 729, 1158, 1242, 1458, 1737, 1863, 2187, 3474, 3726, 4374, 4439, 5211, 5589, 8878, 10422, 11178, 13317, 15633, 16767, 26634, 31266, 33534, 39951, 46899, 50301, 79902, 93798, 100602, 119853, 140697, 239706, 281394, 359559, 422091, 719118, 844182, 1078677, 2157354, 3236031, 6472062, 9708093, 19416186]

約数ペア:

[(1, 19416186), (2, 9708093), (3, 6472062), (6, 3236031), (9, 2157354), (18, 1078677), (23, 844182), (27, 719118), (46, 422091), (54, 359559), (69, 281394), (81, 239706), (138, 140697), (162, 119853), (193, 100602), (207, 93798), (243, 79902), (386, 50301), (414, 46899), (486, 39951), (579, 33534), (621, 31266), (729, 26634), (1158, 16767), (1242, 15633), (1458, 13317), (1737, 11178), (1863, 10422), (2187, 8878), (3474, 5589), (3726, 5211), (4374, 4439)]