19807535

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{4339}}^1$

素因数の和:4438

約数の個数: 16

約数和(自身を含む): 26248320

約数和(自身を除く): 6440785

約数列:

[1, 5, 11, 55, 83, 415, 913, 4339, 4565, 21695, 47729, 238645, 360137, 1800685, 3961507, 19807535]

約数ペア:

[(1, 19807535), (5, 3961507), (11, 1800685), (55, 360137), (83, 238645), (415, 47729), (913, 21695), (4339, 4565)]