18411952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:206

約数の個数: 80

約数和(自身を含む): 41997312

約数和(自身を除く): 23585360

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 41, 52, 68, 82, 104, 127, 136, 164, 208, 221, 254, 272, 328, 442, 508, 533, 656, 697, 884, 1016, 1066, 1394, 1651, 1768, 2032, 2132, 2159, 2788, 3302, 3536, 4264, 4318, 5207, 5576, 6604, 8528, 8636, 9061, 10414, 11152, 13208, 17272, 18122, 20828, 26416, 28067, 34544, 36244, 41656, 56134, 67691, 72488, 83312, 88519, 112268, 135382, 144976, 177038, 224536, 270764, 354076, 449072, 541528, 708152, 1083056, 1150747, 1416304, 2301494, 4602988, 9205976, 18411952]

約数ペア:

[(1, 18411952), (2, 9205976), (4, 4602988), (8, 2301494), (13, 1416304), (16, 1150747), (17, 1083056), (26, 708152), (34, 541528), (41, 449072), (52, 354076), (68, 270764), (82, 224536), (104, 177038), (127, 144976), (136, 135382), (164, 112268), (208, 88519), (221, 83312), (254, 72488), (272, 67691), (328, 56134), (442, 41656), (508, 36244), (533, 34544), (656, 28067), (697, 26416), (884, 20828), (1016, 18122), (1066, 17272), (1394, 13208), (1651, 11152), (1768, 10414), (2032, 9061), (2132, 8636), (2159, 8528), (2788, 6604), (3302, 5576), (3536, 5207), (4264, 4318)]