19555704

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:290

約数の個数: 144

約数和(自身を含む): 64555920

約数和(自身を除く): 45000216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 92, 98, 126, 138, 147, 161, 168, 184, 196, 207, 241, 252, 276, 294, 322, 392, 414, 441, 482, 483, 504, 552, 588, 644, 723, 828, 882, 964, 966, 1127, 1176, 1288, 1446, 1449, 1656, 1687, 1764, 1928, 1932, 2169, 2254, 2892, 2898, 3374, 3381, 3528, 3864, 4338, 4508, 5061, 5543, 5784, 5796, 6748, 6762, 8676, 9016, 10122, 10143, 11086, 11592, 11809, 13496, 13524, 15183, 16629, 17352, 20244, 20286, 22172, 23618, 27048, 30366, 33258, 35427, 38801, 40488, 40572, 44344, 47236, 49887, 60732, 66516, 70854, 77602, 81144, 94472, 99774, 106281, 116403, 121464, 133032, 141708, 155204, 199548, 212562, 232806, 271607, 283416, 310408, 349209, 399096, 425124, 465612, 543214, 698418, 814821, 850248, 931224, 1086428, 1396836, 1629642, 2172856, 2444463, 2793672, 3259284, 4888926, 6518568, 9777852, 19555704]

約数ペア:

[(1, 19555704), (2, 9777852), (3, 6518568), (4, 4888926), (6, 3259284), (7, 2793672), (8, 2444463), (9, 2172856), (12, 1629642), (14, 1396836), (18, 1086428), (21, 931224), (23, 850248), (24, 814821), (28, 698418), (36, 543214), (42, 465612), (46, 425124), (49, 399096), (56, 349209), (63, 310408), (69, 283416), (72, 271607), (84, 232806), (92, 212562), (98, 199548), (126, 155204), (138, 141708), (147, 133032), (161, 121464), (168, 116403), (184, 106281), (196, 99774), (207, 94472), (241, 81144), (252, 77602), (276, 70854), (294, 66516), (322, 60732), (392, 49887), (414, 47236), (441, 44344), (482, 40572), (483, 40488), (504, 38801), (552, 35427), (588, 33258), (644, 30366), (723, 27048), (828, 23618), (882, 22172), (964, 20286), (966, 20244), (1127, 17352), (1176, 16629), (1288, 15183), (1446, 13524), (1449, 13496), (1656, 11809), (1687, 11592), (1764, 11086), (1928, 10143), (1932, 10122), (2169, 9016), (2254, 8676), (2892, 6762), (2898, 6748), (3374, 5796), (3381, 5784), (3528, 5543), (3864, 5061), (4338, 4508)]