18500211

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{31}}^3$

素因数の和:125

約数の個数: 32

約数和(自身を含む): 29552640

約数和(自身を除く): 11052429

約数列:

[1, 3, 9, 23, 27, 31, 69, 93, 207, 279, 621, 713, 837, 961, 2139, 2883, 6417, 8649, 19251, 22103, 25947, 29791, 66309, 89373, 198927, 268119, 596781, 685193, 804357, 2055579, 6166737, 18500211]

約数ペア:

[(1, 18500211), (3, 6166737), (9, 2055579), (23, 804357), (27, 685193), (31, 596781), (69, 268119), (93, 198927), (207, 89373), (279, 66309), (621, 29791), (713, 25947), (837, 22103), (961, 19251), (2139, 8649), (2883, 6417)]