18938582

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23497}}^1$

素因数の和:23543

約数の個数: 16

約数和(自身を含む): 31581312

約数和(自身を除く): 12642730

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 23497, 46994, 305461, 610922, 728407, 1456814, 9469291, 18938582]

約数ペア:

[(1, 18938582), (2, 9469291), (13, 1456814), (26, 728407), (31, 610922), (62, 305461), (403, 46994), (806, 23497)]