18827043

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 27724800

約数和(自身を除く): 8897757

約数列:

[1, 3, 19, 37, 57, 79, 111, 113, 237, 339, 703, 1501, 2109, 2147, 2923, 4181, 4503, 6441, 8769, 8927, 12543, 26781, 55537, 79439, 166611, 169613, 238317, 330299, 508839, 990897, 6275681, 18827043]

約数ペア:

[(1, 18827043), (3, 6275681), (19, 990897), (37, 508839), (57, 330299), (79, 238317), (111, 169613), (113, 166611), (237, 79439), (339, 55537), (703, 26781), (1501, 12543), (2109, 8927), (2147, 8769), (2923, 6441), (4181, 4503)]