19951218183

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1\times {\mathrm{31741}}^1$

素因数の和:32055

約数の個数: 32

約数和(自身を含む): 29180293632

約数和(自身を除く): 9229075449

約数列:

[1, 3, 13, 39, 71, 213, 227, 681, 923, 2769, 2951, 8853, 16117, 31741, 48351, 95223, 209521, 412633, 628563, 1237899, 2253611, 6760833, 7205207, 21615621, 29296943, 87890829, 93667691, 281003073, 511569697, 1534709091, 6650406061, 19951218183]

約数ペア:

[(1, 19951218183), (3, 6650406061), (13, 1534709091), (39, 511569697), (71, 281003073), (213, 93667691), (227, 87890829), (681, 29296943), (923, 21615621), (2769, 7205207), (2951, 6760833), (8853, 2253611), (16117, 1237899), (31741, 628563), (48351, 412633), (95223, 209521)]