18219651

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 26922240

約数和(自身を除く): 8702589

約数列:

[1, 3, 19, 37, 53, 57, 111, 159, 163, 489, 703, 1007, 1961, 2109, 3021, 3097, 5883, 6031, 8639, 9291, 18093, 25917, 37259, 111777, 114589, 164141, 319643, 343767, 492423, 958929, 6073217, 18219651]

約数ペア:

[(1, 18219651), (3, 6073217), (19, 958929), (37, 492423), (53, 343767), (57, 319643), (111, 164141), (159, 114589), (163, 111777), (489, 37259), (703, 25917), (1007, 18093), (1961, 9291), (2109, 8639), (3021, 6031), (3097, 5883)]