19959003

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1787}}^1$

素因数の和:1883

約数の個数: 24

約数和(自身を含む): 30961008

約数和(自身を除く): 11002005

約数列:

[1, 3, 9, 17, 51, 73, 153, 219, 657, 1241, 1787, 3723, 5361, 11169, 16083, 30379, 91137, 130451, 273411, 391353, 1174059, 2217667, 6653001, 19959003]

約数ペア:

[(1, 19959003), (3, 6653001), (9, 2217667), (17, 1174059), (51, 391353), (73, 273411), (153, 130451), (219, 91137), (657, 30379), (1241, 16083), (1787, 11169), (3723, 5361)]