18010503

素因数分解:

$3^2\times 7^1\times {\mathrm{263}}^1\times {\mathrm{1087}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 29872128

約数和(自身を除く): 11861625

約数列:

[1, 3, 7, 9, 21, 63, 263, 789, 1087, 1841, 2367, 3261, 5523, 7609, 9783, 16569, 22827, 68481, 285881, 857643, 2001167, 2572929, 6003501, 18010503]

約数ペア:

[(1, 18010503), (3, 6003501), (7, 2572929), (9, 2001167), (21, 857643), (63, 285881), (263, 68481), (789, 22827), (1087, 16569), (1841, 9783), (2367, 7609), (3261, 5523)]