19937264

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{15013}}^1$

素因数の和:15104

約数の個数: 20

約数和(自身を含む): 39096456

約数和(自身を除く): 19159192

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 15013, 30026, 60052, 120104, 240208, 1246079, 2492158, 4984316, 9968632, 19937264]

約数ペア:

[(1, 19937264), (2, 9968632), (4, 4984316), (8, 2492158), (16, 1246079), (83, 240208), (166, 120104), (332, 60052), (664, 30026), (1328, 15013)]