12820478

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{30671}}^1$

素因数の和:30703

約数の個数: 16

約数和(自身を含む): 22083840

約数和(自身を除く): 9263362

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 30671, 61342, 337381, 582749, 674762, 1165498, 6410239, 12820478]

約数ペア:

[(1, 12820478), (2, 6410239), (11, 1165498), (19, 674762), (22, 582749), (38, 337381), (209, 61342), (418, 30671)]