2138889584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{541217}}^1$

素因数の和:541257

約数の個数: 40

約数和(自身を含む): 4697772240

約数和(自身を除く): 2558882656

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 541217, 1082434, 2164868, 4329736, 7035821, 8659472, 10283123, 14071642, 20566246, 28143284, 41132492, 56286568, 82264984, 112573136, 133680599, 164529968, 267361198, 534722396, 1069444792, 2138889584]

約数ペア:

[(1, 2138889584), (2, 1069444792), (4, 534722396), (8, 267361198), (13, 164529968), (16, 133680599), (19, 112573136), (26, 82264984), (38, 56286568), (52, 41132492), (76, 28143284), (104, 20566246), (152, 14071642), (208, 10283123), (247, 8659472), (304, 7035821), (494, 4329736), (988, 2164868), (1976, 1082434), (3952, 541217)]