15720714

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1069}}^1$

素因数の和:1139

約数の個数: 48

約数和(自身を含む): 36722400

約数和(自身を除く): 21001686

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 43, 57, 86, 114, 129, 171, 258, 342, 387, 774, 817, 1069, 1634, 2138, 2451, 3207, 4902, 6414, 7353, 9621, 14706, 19242, 20311, 40622, 45967, 60933, 91934, 121866, 137901, 182799, 275802, 365598, 413703, 827406, 873373, 1746746, 2620119, 5240238, 7860357, 15720714]

約数ペア:

[(1, 15720714), (2, 7860357), (3, 5240238), (6, 2620119), (9, 1746746), (18, 873373), (19, 827406), (38, 413703), (43, 365598), (57, 275802), (86, 182799), (114, 137901), (129, 121866), (171, 91934), (258, 60933), (342, 45967), (387, 40622), (774, 20311), (817, 19242), (1069, 14706), (1634, 9621), (2138, 7353), (2451, 6414), (3207, 4902)]