1917385216

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1129}}^1$

素因数の和:1285

約数の個数: 80

約数和(自身を含む): 3995101440

約数和(自身を除く): 2077716224

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 107, 124, 128, 214, 248, 256, 428, 496, 512, 856, 992, 1129, 1712, 1984, 2258, 3317, 3424, 3968, 4516, 6634, 6848, 7936, 9032, 13268, 13696, 15872, 18064, 26536, 27392, 34999, 36128, 53072, 54784, 69998, 72256, 106144, 120803, 139996, 144512, 212288, 241606, 279992, 289024, 424576, 483212, 559984, 578048, 849152, 966424, 1119968, 1698304, 1932848, 2239936, 3744893, 3865696, 4479872, 7489786, 7731392, 8959744, 14979572, 15462784, 17919488, 29959144, 30925568, 59918288, 61851136, 119836576, 239673152, 479346304, 958692608, 1917385216]

約数ペア:

[(1, 1917385216), (2, 958692608), (4, 479346304), (8, 239673152), (16, 119836576), (31, 61851136), (32, 59918288), (62, 30925568), (64, 29959144), (107, 17919488), (124, 15462784), (128, 14979572), (214, 8959744), (248, 7731392), (256, 7489786), (428, 4479872), (496, 3865696), (512, 3744893), (856, 2239936), (992, 1932848), (1129, 1698304), (1712, 1119968), (1984, 966424), (2258, 849152), (3317, 578048), (3424, 559984), (3968, 483212), (4516, 424576), (6634, 289024), (6848, 279992), (7936, 241606), (9032, 212288), (13268, 144512), (13696, 139996), (15872, 120803), (18064, 106144), (26536, 72256), (27392, 69998), (34999, 54784), (36128, 53072)]