18212481

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12569}}^1$

素因数の和:12605

約数の個数: 24

約数和(自身を含む): 31374720

約数和(自身を除く): 13162239

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12569, 37707, 87983, 113121, 263949, 289087, 791847, 867261, 2023609, 2601783, 6070827, 18212481]

約数ペア:

[(1, 18212481), (3, 6070827), (7, 2601783), (9, 2023609), (21, 867261), (23, 791847), (63, 289087), (69, 263949), (161, 113121), (207, 87983), (483, 37707), (1449, 12569)]