18551271

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 27279360

約数和(自身を除く): 8728089

約数列:

[1, 3, 23, 29, 69, 73, 87, 127, 219, 381, 667, 1679, 2001, 2117, 2921, 3683, 5037, 6351, 8763, 9271, 11049, 27813, 48691, 84709, 146073, 213233, 254127, 268859, 639699, 806577, 6183757, 18551271]

約数ペア:

[(1, 18551271), (3, 6183757), (23, 806577), (29, 639699), (69, 268859), (73, 254127), (87, 213233), (127, 146073), (219, 84709), (381, 48691), (667, 27813), (1679, 11049), (2001, 9271), (2117, 8763), (2921, 6351), (3683, 5037)]