19479712

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 48384000

約数和(自身を除く): 28904288

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 23, 28, 32, 38, 46, 56, 76, 92, 112, 133, 152, 161, 184, 199, 224, 266, 304, 322, 368, 398, 437, 532, 608, 644, 736, 796, 874, 1064, 1288, 1393, 1592, 1748, 2128, 2576, 2786, 3059, 3184, 3496, 3781, 4256, 4577, 5152, 5572, 6118, 6368, 6992, 7562, 9154, 11144, 12236, 13984, 15124, 18308, 22288, 24472, 26467, 30248, 32039, 36616, 44576, 48944, 52934, 60496, 64078, 73232, 86963, 97888, 105868, 120992, 128156, 146464, 173926, 211736, 256312, 347852, 423472, 512624, 608741, 695704, 846944, 1025248, 1217482, 1391408, 2434964, 2782816, 4869928, 9739856, 19479712]

約数ペア:

[(1, 19479712), (2, 9739856), (4, 4869928), (7, 2782816), (8, 2434964), (14, 1391408), (16, 1217482), (19, 1025248), (23, 846944), (28, 695704), (32, 608741), (38, 512624), (46, 423472), (56, 347852), (76, 256312), (92, 211736), (112, 173926), (133, 146464), (152, 128156), (161, 120992), (184, 105868), (199, 97888), (224, 86963), (266, 73232), (304, 64078), (322, 60496), (368, 52934), (398, 48944), (437, 44576), (532, 36616), (608, 32039), (644, 30248), (736, 26467), (796, 24472), (874, 22288), (1064, 18308), (1288, 15124), (1393, 13984), (1592, 12236), (1748, 11144), (2128, 9154), (2576, 7562), (2786, 6992), (3059, 6368), (3184, 6118), (3496, 5572), (3781, 5152), (4256, 4577)]