19972106

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:315

約数の個数: 48

約数和(自身を含む): 38610432

約数和(自身を除く): 18638326

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 97, 98, 154, 191, 194, 382, 539, 679, 1067, 1078, 1337, 1358, 2101, 2134, 2674, 4202, 4753, 7469, 9359, 9506, 14707, 14938, 18527, 18718, 29414, 37054, 52283, 102949, 104566, 129689, 203797, 205898, 259378, 407594, 907823, 1426579, 1815646, 2853158, 9986053, 19972106]

約数ペア:

[(1, 19972106), (2, 9986053), (7, 2853158), (11, 1815646), (14, 1426579), (22, 907823), (49, 407594), (77, 259378), (97, 205898), (98, 203797), (154, 129689), (191, 104566), (194, 102949), (382, 52283), (539, 37054), (679, 29414), (1067, 18718), (1078, 18527), (1337, 14938), (1358, 14707), (2101, 9506), (2134, 9359), (2674, 7469), (4202, 4753)]