12921854

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{18947}}^1$

素因数の和:18991

約数の個数: 16

約数和(自身を含む): 21828096

約数和(自身を除く): 8906242

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 18947, 37894, 208417, 416834, 587357, 1174714, 6460927, 12921854]

約数ペア:

[(1, 12921854), (2, 6460927), (11, 1174714), (22, 587357), (31, 416834), (62, 208417), (341, 37894), (682, 18947)]