12728822

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7127}}^1$

素因数の和:7195

約数の個数: 16

約数和(自身を含む): 20528640

約数和(自身を除く): 7799818

約数列:

[1, 2, 19, 38, 47, 94, 893, 1786, 7127, 14254, 135413, 270826, 334969, 669938, 6364411, 12728822]

約数ペア:

[(1, 12728822), (2, 6364411), (19, 669938), (38, 334969), (47, 270826), (94, 135413), (893, 14254), (1786, 7127)]