19743606

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{347}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 44787600

約数和(自身を除く): 25043994

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 109, 174, 218, 261, 327, 347, 522, 654, 694, 981, 1041, 1962, 2082, 3123, 3161, 6246, 6322, 9483, 10063, 18966, 20126, 28449, 30189, 37823, 56898, 60378, 75646, 90567, 113469, 181134, 226938, 340407, 680814, 1096867, 2193734, 3290601, 6581202, 9871803, 19743606]

約数ペア:

[(1, 19743606), (2, 9871803), (3, 6581202), (6, 3290601), (9, 2193734), (18, 1096867), (29, 680814), (58, 340407), (87, 226938), (109, 181134), (174, 113469), (218, 90567), (261, 75646), (327, 60378), (347, 56898), (522, 37823), (654, 30189), (694, 28449), (981, 20126), (1041, 18966), (1962, 10063), (2082, 9483), (3123, 6322), (3161, 6246)]