18985488

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{593}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 53032320

約数和(自身を除く): 34046832

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 29, 46, 48, 58, 69, 87, 92, 116, 138, 174, 184, 232, 276, 348, 368, 464, 552, 593, 667, 696, 1104, 1186, 1334, 1392, 1779, 2001, 2372, 2668, 3558, 4002, 4744, 5336, 7116, 8004, 9488, 10672, 13639, 14232, 16008, 17197, 27278, 28464, 32016, 34394, 40917, 51591, 54556, 68788, 81834, 103182, 109112, 137576, 163668, 206364, 218224, 275152, 327336, 395531, 412728, 654672, 791062, 825456, 1186593, 1582124, 2373186, 3164248, 4746372, 6328496, 9492744, 18985488]

約数ペア:

[(1, 18985488), (2, 9492744), (3, 6328496), (4, 4746372), (6, 3164248), (8, 2373186), (12, 1582124), (16, 1186593), (23, 825456), (24, 791062), (29, 654672), (46, 412728), (48, 395531), (58, 327336), (69, 275152), (87, 218224), (92, 206364), (116, 163668), (138, 137576), (174, 109112), (184, 103182), (232, 81834), (276, 68788), (348, 54556), (368, 51591), (464, 40917), (552, 34394), (593, 32016), (667, 28464), (696, 27278), (1104, 17197), (1186, 16008), (1334, 14232), (1392, 13639), (1779, 10672), (2001, 9488), (2372, 8004), (2668, 7116), (3558, 5336), (4002, 4744)]