18138578

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{2423}}^1$

素因数の和:2641

約数の個数: 16

約数和(自身を含む): 28797120

約数和(自身を除く): 10658542

約数列:

[1, 2, 19, 38, 197, 394, 2423, 3743, 4846, 7486, 46037, 92074, 477331, 954662, 9069289, 18138578]

約数ペア:

[(1, 18138578), (2, 9069289), (19, 954662), (38, 477331), (197, 92074), (394, 46037), (2423, 7486), (3743, 4846)]