19384449

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{809}}^1$

素因数の和:989

約数の個数: 24

約数和(自身を含む): 30287520

約数和(自身を除く): 10903071

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 809, 1141, 2427, 3423, 5663, 7987, 16989, 23961, 39641, 118923, 131867, 395601, 923069, 2769207, 6461483, 19384449]

約数ペア:

[(1, 19384449), (3, 6461483), (7, 2769207), (21, 923069), (49, 395601), (147, 131867), (163, 118923), (489, 39641), (809, 23961), (1141, 16989), (2427, 7987), (3423, 5663)]