1999291264

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{17491}}^1$

素因数の和:17571

約数の個数: 64

約数和(自身を含む): 4282041600

約数和(自身を除く): 2282750336

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 47, 64, 76, 94, 128, 152, 188, 304, 376, 608, 752, 893, 1216, 1504, 1786, 2432, 3008, 3572, 6016, 7144, 14288, 17491, 28576, 34982, 57152, 69964, 114304, 139928, 279856, 332329, 559712, 664658, 822077, 1119424, 1329316, 1644154, 2238848, 2658632, 3288308, 5317264, 6576616, 10634528, 13153232, 15619463, 21269056, 26306464, 31238926, 42538112, 52612928, 62477852, 105225856, 124955704, 249911408, 499822816, 999645632, 1999291264]

約数ペア:

[(1, 1999291264), (2, 999645632), (4, 499822816), (8, 249911408), (16, 124955704), (19, 105225856), (32, 62477852), (38, 52612928), (47, 42538112), (64, 31238926), (76, 26306464), (94, 21269056), (128, 15619463), (152, 13153232), (188, 10634528), (304, 6576616), (376, 5317264), (608, 3288308), (752, 2658632), (893, 2238848), (1216, 1644154), (1504, 1329316), (1786, 1119424), (2432, 822077), (3008, 664658), (3572, 559712), (6016, 332329), (7144, 279856), (14288, 139928), (17491, 114304), (28576, 69964), (34982, 57152)]