18693999

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2003}}^1$

素因数の和:2087

約数の個数: 24

約数和(自身を含む): 29074032

約数和(自身を除く): 10380033

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 2003, 3111, 6009, 9333, 18027, 34051, 102153, 122183, 306459, 366549, 1099647, 2077111, 6231333, 18693999]

約数ペア:

[(1, 18693999), (3, 6231333), (9, 2077111), (17, 1099647), (51, 366549), (61, 306459), (153, 122183), (183, 102153), (549, 34051), (1037, 18027), (2003, 9333), (3111, 6009)]