19715692017

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{11677}}^1$

素因数の和:11818

約数の個数: 64

約数和(自身を含む): 32206616064

約数和(自身を除く): 12490924047

約数列:

[1, 3, 7, 21, 37, 41, 53, 111, 123, 159, 259, 287, 371, 777, 861, 1113, 1517, 1961, 2173, 4551, 5883, 6519, 10619, 11677, 13727, 15211, 31857, 35031, 41181, 45633, 80401, 81739, 241203, 245217, 432049, 478757, 562807, 618881, 1296147, 1436271, 1688421, 1856643, 3024343, 3351299, 4332167, 9073029, 10053897, 12996501, 17714009, 22898597, 25374121, 53142027, 68695791, 76122363, 123998063, 160290179, 177618847, 371994189, 480870537, 532856541, 938842477, 2816527431, 6571897339, 19715692017]

約数ペア:

[(1, 19715692017), (3, 6571897339), (7, 2816527431), (21, 938842477), (37, 532856541), (41, 480870537), (53, 371994189), (111, 177618847), (123, 160290179), (159, 123998063), (259, 76122363), (287, 68695791), (371, 53142027), (777, 25374121), (861, 22898597), (1113, 17714009), (1517, 12996501), (1961, 10053897), (2173, 9073029), (4551, 4332167), (5883, 3351299), (6519, 3024343), (10619, 1856643), (11677, 1688421), (13727, 1436271), (15211, 1296147), (31857, 618881), (35031, 562807), (41181, 478757), (45633, 432049), (80401, 245217), (81739, 241203)]