19278922

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:454

約数の個数: 32

約数和(自身を含む): 32917248

約数和(自身を除く): 13638326

約数列:

[1, 2, 13, 23, 26, 46, 103, 206, 299, 313, 598, 626, 1339, 2369, 2678, 4069, 4738, 7199, 8138, 14398, 30797, 32239, 61594, 64478, 93587, 187174, 419107, 741497, 838214, 1482994, 9639461, 19278922]

約数ペア:

[(1, 19278922), (2, 9639461), (13, 1482994), (23, 838214), (26, 741497), (46, 419107), (103, 187174), (206, 93587), (299, 64478), (313, 61594), (598, 32239), (626, 30797), (1339, 14398), (2369, 8138), (2678, 7199), (4069, 4738)]