18722253

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1451}}^1$

素因数の和:1505

約数の個数: 32

約数和(自身を含む): 30108672

約数和(自身を除く): 11386419

約数列:

[1, 3, 11, 17, 23, 33, 51, 69, 187, 253, 391, 561, 759, 1173, 1451, 4301, 4353, 12903, 15961, 24667, 33373, 47883, 74001, 100119, 271337, 367103, 567341, 814011, 1101309, 1702023, 6240751, 18722253]

約数ペア:

[(1, 18722253), (3, 6240751), (11, 1702023), (17, 1101309), (23, 814011), (33, 567341), (51, 367103), (69, 271337), (187, 100119), (253, 74001), (391, 47883), (561, 33373), (759, 24667), (1173, 15961), (1451, 12903), (4301, 4353)]