12381008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:459

約数の個数: 40

約数和(自身を含む): 25519200

約数和(自身を除く): 13138192

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 293, 304, 556, 586, 1112, 1172, 2224, 2344, 2641, 4688, 5282, 5567, 10564, 11134, 21128, 22268, 40727, 42256, 44536, 81454, 89072, 162908, 325816, 651632, 773813, 1547626, 3095252, 6190504, 12381008]

約数ペア:

[(1, 12381008), (2, 6190504), (4, 3095252), (8, 1547626), (16, 773813), (19, 651632), (38, 325816), (76, 162908), (139, 89072), (152, 81454), (278, 44536), (293, 42256), (304, 40727), (556, 22268), (586, 21128), (1112, 11134), (1172, 10564), (2224, 5567), (2344, 5282), (2641, 4688)]