18495216

素因数分解:

$2^4\times 3^5\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:161

約数の個数: 120

約数和(自身を含む): 55246464

約数和(自身を除く): 36751248

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 67, 71, 72, 81, 108, 134, 142, 144, 162, 201, 213, 216, 243, 268, 284, 324, 402, 426, 432, 486, 536, 568, 603, 639, 648, 804, 852, 972, 1072, 1136, 1206, 1278, 1296, 1608, 1704, 1809, 1917, 1944, 2412, 2556, 3216, 3408, 3618, 3834, 3888, 4757, 4824, 5112, 5427, 5751, 7236, 7668, 9514, 9648, 10224, 10854, 11502, 14271, 14472, 15336, 16281, 17253, 19028, 21708, 23004, 28542, 28944, 30672, 32562, 34506, 38056, 42813, 43416, 46008, 57084, 65124, 69012, 76112, 85626, 86832, 92016, 114168, 128439, 130248, 138024, 171252, 228336, 256878, 260496, 276048, 342504, 385317, 513756, 685008, 770634, 1027512, 1155951, 1541268, 2055024, 2311902, 3082536, 4623804, 6165072, 9247608, 18495216]

約数ペア:

[(1, 18495216), (2, 9247608), (3, 6165072), (4, 4623804), (6, 3082536), (8, 2311902), (9, 2055024), (12, 1541268), (16, 1155951), (18, 1027512), (24, 770634), (27, 685008), (36, 513756), (48, 385317), (54, 342504), (67, 276048), (71, 260496), (72, 256878), (81, 228336), (108, 171252), (134, 138024), (142, 130248), (144, 128439), (162, 114168), (201, 92016), (213, 86832), (216, 85626), (243, 76112), (268, 69012), (284, 65124), (324, 57084), (402, 46008), (426, 43416), (432, 42813), (486, 38056), (536, 34506), (568, 32562), (603, 30672), (639, 28944), (648, 28542), (804, 23004), (852, 21708), (972, 19028), (1072, 17253), (1136, 16281), (1206, 15336), (1278, 14472), (1296, 14271), (1608, 11502), (1704, 10854), (1809, 10224), (1917, 9648), (1944, 9514), (2412, 7668), (2556, 7236), (3216, 5751), (3408, 5427), (3618, 5112), (3834, 4824), (3888, 4757)]