18675855

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1301}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 36560160

約数和(自身を除く): 17884305

約数列:

[1, 3, 5, 9, 11, 15, 29, 33, 45, 55, 87, 99, 145, 165, 261, 319, 435, 495, 957, 1301, 1305, 1595, 2871, 3903, 4785, 6505, 11709, 14311, 14355, 19515, 37729, 42933, 58545, 71555, 113187, 128799, 188645, 214665, 339561, 415019, 565935, 643995, 1245057, 1697805, 2075095, 3735171, 6225285, 18675855]

約数ペア:

[(1, 18675855), (3, 6225285), (5, 3735171), (9, 2075095), (11, 1697805), (15, 1245057), (29, 643995), (33, 565935), (45, 415019), (55, 339561), (87, 214665), (99, 188645), (145, 128799), (165, 113187), (261, 71555), (319, 58545), (435, 42933), (495, 37729), (957, 19515), (1301, 14355), (1305, 14311), (1595, 11709), (2871, 6505), (3903, 4785)]