1997964

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1$

素因数の和:179

約数の個数: 72

約数和(自身を含む): 5591040

約数和(自身を除く): 3593076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 127, 138, 171, 207, 228, 254, 276, 342, 381, 414, 437, 508, 684, 762, 828, 874, 1143, 1311, 1524, 1748, 2286, 2413, 2622, 2921, 3933, 4572, 4826, 5244, 5842, 7239, 7866, 8763, 9652, 11684, 14478, 15732, 17526, 21717, 26289, 28956, 35052, 43434, 52578, 55499, 86868, 105156, 110998, 166497, 221996, 332994, 499491, 665988, 998982, 1997964]

約数ペア:

[(1, 1997964), (2, 998982), (3, 665988), (4, 499491), (6, 332994), (9, 221996), (12, 166497), (18, 110998), (19, 105156), (23, 86868), (36, 55499), (38, 52578), (46, 43434), (57, 35052), (69, 28956), (76, 26289), (92, 21717), (114, 17526), (127, 15732), (138, 14478), (171, 11684), (207, 9652), (228, 8763), (254, 7866), (276, 7239), (342, 5842), (381, 5244), (414, 4826), (437, 4572), (508, 3933), (684, 2921), (762, 2622), (828, 2413), (874, 2286), (1143, 1748), (1311, 1524)]