12981712

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42703}}^1$

素因数の和:42730

約数の個数: 20

約数和(自身を含む): 26476480

約数和(自身を除く): 13494768

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42703, 85406, 170812, 341624, 683248, 811357, 1622714, 3245428, 6490856, 12981712]

約数ペア:

[(1, 12981712), (2, 6490856), (4, 3245428), (8, 1622714), (16, 811357), (19, 683248), (38, 341624), (76, 170812), (152, 85406), (304, 42703)]