31448268

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2051

約数の個数: 72

約数和(自身を含む): 87360000

約数和(自身を除く): 55911732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 138, 171, 207, 228, 276, 342, 414, 437, 684, 828, 874, 1311, 1748, 1999, 2622, 3933, 3998, 5244, 5997, 7866, 7996, 11994, 15732, 17991, 23988, 35982, 37981, 45977, 71964, 75962, 91954, 113943, 137931, 151924, 183908, 227886, 275862, 341829, 413793, 455772, 551724, 683658, 827586, 873563, 1367316, 1655172, 1747126, 2620689, 3494252, 5241378, 7862067, 10482756, 15724134, 31448268]

約数ペア:

[(1, 31448268), (2, 15724134), (3, 10482756), (4, 7862067), (6, 5241378), (9, 3494252), (12, 2620689), (18, 1747126), (19, 1655172), (23, 1367316), (36, 873563), (38, 827586), (46, 683658), (57, 551724), (69, 455772), (76, 413793), (92, 341829), (114, 275862), (138, 227886), (171, 183908), (207, 151924), (228, 137931), (276, 113943), (342, 91954), (414, 75962), (437, 71964), (684, 45977), (828, 37981), (874, 35982), (1311, 23988), (1748, 17991), (1999, 15732), (2622, 11994), (3933, 7996), (3998, 7866), (5244, 5997)]