19992555

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13463}}^1$

素因数の和:13488

約数の個数: 32

約数和(自身を含む): 38776320

約数和(自身を除く): 18783765

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13463, 40389, 67315, 121167, 148093, 201945, 363501, 444279, 605835, 740465, 1332837, 1817505, 2221395, 3998511, 6664185, 19992555]

約数ペア:

[(1, 19992555), (3, 6664185), (5, 3998511), (9, 2221395), (11, 1817505), (15, 1332837), (27, 740465), (33, 605835), (45, 444279), (55, 363501), (99, 201945), (135, 148093), (165, 121167), (297, 67315), (495, 40389), (1485, 13463)]