18983781

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{701}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 30326400

約数和(自身を除く): 11342619

約数列:

[1, 3, 9, 17, 27, 51, 59, 153, 177, 459, 531, 701, 1003, 1593, 2103, 3009, 6309, 9027, 11917, 18927, 27081, 35751, 41359, 107253, 124077, 321759, 372231, 703103, 1116693, 2109309, 6327927, 18983781]

約数ペア:

[(1, 18983781), (3, 6327927), (9, 2109309), (17, 1116693), (27, 703103), (51, 372231), (59, 321759), (153, 124077), (177, 107253), (459, 41359), (531, 35751), (701, 27081), (1003, 18927), (1593, 11917), (2103, 9027), (3009, 6309)]