18740228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1811}}^1$

素因数の和:2027

約数の個数: 24

約数和(自身を含む): 35515200

約数和(自身を除く): 16774972

約数列:

[1, 2, 4, 13, 26, 52, 199, 398, 796, 1811, 2587, 3622, 5174, 7244, 10348, 23543, 47086, 94172, 360389, 720778, 1441556, 4685057, 9370114, 18740228]

約数ペア:

[(1, 18740228), (2, 9370114), (4, 4685057), (13, 1441556), (26, 720778), (52, 360389), (199, 94172), (398, 47086), (796, 23543), (1811, 10348), (2587, 7244), (3622, 5174)]