18495928

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2081}}^1$

素因数の和:2199

約数の個数: 32

約数和(自身を含む): 38225520

約数和(自身を除く): 19729592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2081, 2222, 4162, 4444, 8324, 8888, 16648, 22891, 45782, 91564, 183128, 210181, 420362, 840724, 1681448, 2311991, 4623982, 9247964, 18495928]

約数ペア:

[(1, 18495928), (2, 9247964), (4, 4623982), (8, 2311991), (11, 1681448), (22, 840724), (44, 420362), (88, 210181), (101, 183128), (202, 91564), (404, 45782), (808, 22891), (1111, 16648), (2081, 8888), (2222, 8324), (4162, 4444)]