12681968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3209}}^1$

素因数の和:3249

約数の個数: 40

約数和(自身を含む): 27862800

約数和(自身を除く): 15180832

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3209, 3952, 6418, 12836, 25672, 41717, 51344, 60971, 83434, 121942, 166868, 243884, 333736, 487768, 667472, 792623, 975536, 1585246, 3170492, 6340984, 12681968]

約数ペア:

[(1, 12681968), (2, 6340984), (4, 3170492), (8, 1585246), (13, 975536), (16, 792623), (19, 667472), (26, 487768), (38, 333736), (52, 243884), (76, 166868), (104, 121942), (152, 83434), (208, 60971), (247, 51344), (304, 41717), (494, 25672), (988, 12836), (1976, 6418), (3209, 3952)]