19805753

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1408

約数の個数: 16

約数和(自身を含む): 22844160

約数和(自身を除く): 3038407

約数列:

[1, 11, 29, 47, 319, 517, 1321, 1363, 14531, 14993, 38309, 62087, 421399, 682957, 1800523, 19805753]

約数ペア:

[(1, 19805753), (11, 1800523), (29, 682957), (47, 421399), (319, 62087), (517, 38309), (1321, 14993), (1363, 14531)]