18823818

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{647}}^1$

素因数の和:1038

約数の個数: 32

約数和(自身を含む): 40715136

約数和(自身を除く): 21891318

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 373, 647, 746, 1119, 1294, 1941, 2238, 3882, 4849, 8411, 9698, 14547, 16822, 25233, 29094, 50466, 241331, 482662, 723993, 1447986, 3137303, 6274606, 9411909, 18823818]

約数ペア:

[(1, 18823818), (2, 9411909), (3, 6274606), (6, 3137303), (13, 1447986), (26, 723993), (39, 482662), (78, 241331), (373, 50466), (647, 29094), (746, 25233), (1119, 16822), (1294, 14547), (1941, 9698), (2238, 8411), (3882, 4849)]