19706442

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:275

約数の個数: 64

約数和(自身を含む): 47001600

約数和(自身を除く): 27295158

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 67, 94, 134, 141, 149, 201, 282, 298, 329, 402, 447, 469, 658, 894, 938, 987, 1043, 1407, 1974, 2086, 2814, 3129, 3149, 6258, 6298, 7003, 9447, 9983, 14006, 18894, 19966, 21009, 22043, 29949, 42018, 44086, 49021, 59898, 66129, 69881, 98042, 132258, 139762, 147063, 209643, 294126, 419286, 469201, 938402, 1407603, 2815206, 3284407, 6568814, 9853221, 19706442]

約数ペア:

[(1, 19706442), (2, 9853221), (3, 6568814), (6, 3284407), (7, 2815206), (14, 1407603), (21, 938402), (42, 469201), (47, 419286), (67, 294126), (94, 209643), (134, 147063), (141, 139762), (149, 132258), (201, 98042), (282, 69881), (298, 66129), (329, 59898), (402, 49021), (447, 44086), (469, 42018), (658, 29949), (894, 22043), (938, 21009), (987, 19966), (1043, 18894), (1407, 14006), (1974, 9983), (2086, 9447), (2814, 7003), (3129, 6298), (3149, 6258)]