2155284

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 6027840

約数和(自身を除く): 3872556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 23, 36, 38, 46, 57, 69, 76, 92, 114, 137, 138, 171, 207, 228, 274, 276, 342, 411, 414, 437, 548, 684, 822, 828, 874, 1233, 1311, 1644, 1748, 2466, 2603, 2622, 3151, 3933, 4932, 5206, 5244, 6302, 7809, 7866, 9453, 10412, 12604, 15618, 15732, 18906, 23427, 28359, 31236, 37812, 46854, 56718, 59869, 93708, 113436, 119738, 179607, 239476, 359214, 538821, 718428, 1077642, 2155284]

約数ペア:

[(1, 2155284), (2, 1077642), (3, 718428), (4, 538821), (6, 359214), (9, 239476), (12, 179607), (18, 119738), (19, 113436), (23, 93708), (36, 59869), (38, 56718), (46, 46854), (57, 37812), (69, 31236), (76, 28359), (92, 23427), (114, 18906), (137, 15732), (138, 15618), (171, 12604), (207, 10412), (228, 9453), (274, 7866), (276, 7809), (342, 6302), (411, 5244), (414, 5206), (437, 4932), (548, 3933), (684, 3151), (822, 2622), (828, 2603), (874, 2466), (1233, 1748), (1311, 1644)]