18208839

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{359}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 27993600

約数和(自身を除く): 9784761

約数列:

[1, 3, 11, 29, 33, 53, 87, 159, 319, 359, 583, 957, 1077, 1537, 1749, 3949, 4611, 10411, 11847, 16907, 19027, 31233, 50721, 57081, 114521, 209297, 343563, 551783, 627891, 1655349, 6069613, 18208839]

約数ペア:

[(1, 18208839), (3, 6069613), (11, 1655349), (29, 627891), (33, 551783), (53, 343563), (87, 209297), (159, 114521), (319, 57081), (359, 50721), (583, 31233), (957, 19027), (1077, 16907), (1537, 11847), (1749, 10411), (3949, 4611)]