18702243

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12907}}^1$

素因数の和:12943

約数の個数: 24

約数和(自身を含む): 32218368

約数和(自身を除く): 13516125

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 12907, 38721, 90349, 116163, 271047, 296861, 813141, 890583, 2078027, 2671749, 6234081, 18702243]

約数ペア:

[(1, 18702243), (3, 6234081), (7, 2671749), (9, 2078027), (21, 890583), (23, 813141), (63, 296861), (69, 271047), (161, 116163), (207, 90349), (483, 38721), (1449, 12907)]