18488613

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:705

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 10928859

約数列:

[1, 3, 11, 13, 33, 39, 71, 143, 213, 429, 607, 781, 923, 1821, 2343, 2769, 6677, 7891, 10153, 20031, 23673, 30459, 43097, 86801, 129291, 260403, 474067, 560261, 1422201, 1680783, 6162871, 18488613]

約数ペア:

[(1, 18488613), (3, 6162871), (11, 1680783), (13, 1422201), (33, 560261), (39, 474067), (71, 260403), (143, 129291), (213, 86801), (429, 43097), (607, 30459), (781, 23673), (923, 20031), (1821, 10153), (2343, 7891), (2769, 6677)]