18651087

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{7591}}^1$

素因数の和:7620

約数の個数: 32

約数和(自身を含む): 34012160

約数和(自身を除く): 15361073

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 7591, 22773, 53137, 68319, 98683, 159411, 204957, 296049, 478233, 690781, 888147, 1434699, 2072343, 2664441, 6217029, 18651087]

約数ペア:

[(1, 18651087), (3, 6217029), (7, 2664441), (9, 2072343), (13, 1434699), (21, 888147), (27, 690781), (39, 478233), (63, 296049), (91, 204957), (117, 159411), (189, 98683), (273, 68319), (351, 53137), (819, 22773), (2457, 7591)]