19915483

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1657}}^1$

素因数の和:1782

約数の個数: 16

約数和(自身を含む): 24352704

約数和(自身を除く): 4437221

約数列:

[1, 7, 17, 101, 119, 707, 1657, 1717, 11599, 12019, 28169, 167357, 197183, 1171499, 2845069, 19915483]

約数ペア:

[(1, 19915483), (7, 2845069), (17, 1171499), (101, 197183), (119, 167357), (707, 28169), (1657, 12019), (1717, 11599)]