18833229

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 30820608

約数和(自身を除く): 11987379

約数列:

[1, 3, 9, 17, 27, 47, 51, 81, 97, 141, 153, 243, 291, 423, 459, 799, 873, 1269, 1377, 1649, 2397, 2619, 3807, 4131, 4559, 4947, 7191, 7857, 11421, 13677, 14841, 21573, 23571, 41031, 44523, 64719, 77503, 123093, 133569, 194157, 232509, 369279, 400707, 697527, 1107837, 2092581, 6277743, 18833229]

約数ペア:

[(1, 18833229), (3, 6277743), (9, 2092581), (17, 1107837), (27, 697527), (47, 400707), (51, 369279), (81, 232509), (97, 194157), (141, 133569), (153, 123093), (243, 77503), (291, 64719), (423, 44523), (459, 41031), (799, 23571), (873, 21573), (1269, 14841), (1377, 13677), (1649, 11421), (2397, 7857), (2619, 7191), (3807, 4947), (4131, 4559)]