19871496

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1$

素因数の和:379

約数の個数: 96

約数和(自身を含む): 57657600

約数和(自身を除く): 37786104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 31, 36, 58, 62, 72, 87, 93, 116, 124, 174, 186, 232, 248, 261, 279, 307, 348, 372, 522, 558, 614, 696, 744, 899, 921, 1044, 1116, 1228, 1798, 1842, 2088, 2232, 2456, 2697, 2763, 3596, 3684, 5394, 5526, 7192, 7368, 8091, 8903, 9517, 10788, 11052, 16182, 17806, 19034, 21576, 22104, 26709, 28551, 32364, 35612, 38068, 53418, 57102, 64728, 71224, 76136, 80127, 85653, 106836, 114204, 160254, 171306, 213672, 228408, 275993, 320508, 342612, 551986, 641016, 685224, 827979, 1103972, 1655958, 2207944, 2483937, 3311916, 4967874, 6623832, 9935748, 19871496]

約数ペア:

[(1, 19871496), (2, 9935748), (3, 6623832), (4, 4967874), (6, 3311916), (8, 2483937), (9, 2207944), (12, 1655958), (18, 1103972), (24, 827979), (29, 685224), (31, 641016), (36, 551986), (58, 342612), (62, 320508), (72, 275993), (87, 228408), (93, 213672), (116, 171306), (124, 160254), (174, 114204), (186, 106836), (232, 85653), (248, 80127), (261, 76136), (279, 71224), (307, 64728), (348, 57102), (372, 53418), (522, 38068), (558, 35612), (614, 32364), (696, 28551), (744, 26709), (899, 22104), (921, 21576), (1044, 19034), (1116, 17806), (1228, 16182), (1798, 11052), (1842, 10788), (2088, 9517), (2232, 8903), (2456, 8091), (2697, 7368), (2763, 7192), (3596, 5526), (3684, 5394)]