19489922

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{13331}}^1$

素因数の和:13393

約数の個数: 16

約数和(自身を含む): 31676832

約数和(自身を除く): 12186910

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 13331, 26662, 226627, 453254, 573233, 1146466, 9744961, 19489922]

約数ペア:

[(1, 19489922), (2, 9744961), (17, 1146466), (34, 573233), (43, 453254), (86, 226627), (731, 26662), (1462, 13331)]