18721356

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2339}}^1$

素因数の和:2398

約数の個数: 48

約数和(自身を含む): 47174400

約数和(自身を除く): 28453044

約数列:

[1, 2, 3, 4, 6, 12, 23, 29, 46, 58, 69, 87, 92, 116, 138, 174, 276, 348, 667, 1334, 2001, 2339, 2668, 4002, 4678, 7017, 8004, 9356, 14034, 28068, 53797, 67831, 107594, 135662, 161391, 203493, 215188, 271324, 322782, 406986, 645564, 813972, 1560113, 3120226, 4680339, 6240452, 9360678, 18721356]

約数ペア:

[(1, 18721356), (2, 9360678), (3, 6240452), (4, 4680339), (6, 3120226), (12, 1560113), (23, 813972), (29, 645564), (46, 406986), (58, 322782), (69, 271324), (87, 215188), (92, 203493), (116, 161391), (138, 135662), (174, 107594), (276, 67831), (348, 53797), (667, 28068), (1334, 14034), (2001, 9356), (2339, 8004), (2668, 7017), (4002, 4678)]