18161283

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1979}}^1$

素因数の和:2031

約数の個数: 32

約数和(自身を含む): 30412800

約数和(自身を除く): 12251517

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 1979, 3059, 5937, 9177, 13853, 37601, 41559, 45517, 112803, 136551, 263207, 318619, 789621, 864823, 955857, 2594469, 6053761, 18161283]

約数ペア:

[(1, 18161283), (3, 6053761), (7, 2594469), (19, 955857), (21, 864823), (23, 789621), (57, 318619), (69, 263207), (133, 136551), (161, 112803), (399, 45517), (437, 41559), (483, 37601), (1311, 13853), (1979, 9177), (3059, 5937)]