15980558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{38231}}^1$

素因数の和:38263

約数の個数: 16

約数和(自身を含む): 27527040

約数和(自身を除く): 11546482

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 38231, 76462, 420541, 726389, 841082, 1452778, 7990279, 15980558]

約数ペア:

[(1, 15980558), (2, 7990279), (11, 1452778), (19, 841082), (22, 726389), (38, 420541), (209, 76462), (418, 38231)]