18517286

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{1163}}^1$

素因数の和:1603

約数の個数: 16

約数和(自身を含む): 29332800

約数和(自身を除く): 10815514

約数列:

[1, 2, 19, 38, 419, 838, 1163, 2326, 7961, 15922, 22097, 44194, 487297, 974594, 9258643, 18517286]

約数ペア:

[(1, 18517286), (2, 9258643), (19, 974594), (38, 487297), (419, 44194), (838, 22097), (1163, 15922), (2326, 7961)]