18685189.000000000

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^2$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 334759824

約数和(自身を除く): 222219552

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 24, 26, 34, 39, 48, 51, 52, 68, 78, 102, 103, 104, 136, 156, 204, 206, 208, 221, 272, 309, 312, 408, 412, 442, 618, 624, 663, 816, 824, 884, 1236, 1326, 1339, 1648, 1751, 1768, 2472, 2652, 2678, 3502, 3536, 4017, 4944, 5253, 5304, 5356, 7004, 8034, 10506, 10608, 10609, 10712, 14008, 16068, 21012, 21218, 21424, 22763, 28016, 31827, 32136, 42024, 42436, 45526, 63654, 64272, 68289, 84048, 84872, 91052, 127308, 136578, 137917, 169744, 180353, 182104, 254616, 273156, 275834, 360706, 364208, 413751, 509232, 541059, 546312, 551668, 721412, 827502, 1082118, 1092624, 1103336, 1442824, 1655004, 2164236, 2206672, 2344589, 2885648, 3310008, 4328472, 4689178, 6620016, 7033767, 8656944, 9378356, 14067534, 18756712, 28135068, 37513424, 56270136, 112540272]

約数ペア:

[(1, 112540272), (2, 56270136), (3, 37513424), (4, 28135068), (6, 18756712), (8, 14067534), (12, 9378356), (13, 8656944), (16, 7033767), (17, 6620016), (24, 4689178), (26, 4328472), (34, 3310008), (39, 2885648), (48, 2344589), (51, 2206672), (52, 2164236), (68, 1655004), (78, 1442824), (102, 1103336), (103, 1092624), (104, 1082118), (136, 827502), (156, 721412), (204, 551668), (206, 546312), (208, 541059), (221, 509232), (272, 413751), (309, 364208), (312, 360706), (408, 275834), (412, 273156), (442, 254616), (618, 182104), (624, 180353), (663, 169744), (816, 137917), (824, 136578), (884, 127308), (1236, 91052), (1326, 84872), (1339, 84048), (1648, 68289), (1751, 64272), (1768, 63654), (2472, 45526), (2652, 42436), (2678, 42024), (3502, 32136), (3536, 31827), (4017, 28016), (4944, 22763), (5253, 21424), (5304, 21218), (5356, 21012), (7004, 16068), (8034, 14008), (10506, 10712), (10608, 10609)]