19273149

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{283}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 34025472

約数和(自身を除く): 14752323

約数列:

[1, 3, 7, 9, 21, 23, 47, 63, 69, 141, 161, 207, 283, 329, 423, 483, 849, 987, 1081, 1449, 1981, 2547, 2961, 3243, 5943, 6509, 7567, 9729, 13301, 17829, 19527, 22701, 39903, 45563, 58581, 68103, 93107, 119709, 136689, 279321, 305923, 410067, 837963, 917769, 2141461, 2753307, 6424383, 19273149]

約数ペア:

[(1, 19273149), (3, 6424383), (7, 2753307), (9, 2141461), (21, 917769), (23, 837963), (47, 410067), (63, 305923), (69, 279321), (141, 136689), (161, 119709), (207, 93107), (283, 68103), (329, 58581), (423, 45563), (483, 39903), (849, 22701), (987, 19527), (1081, 17829), (1449, 13301), (1981, 9729), (2547, 7567), (2961, 6509), (3243, 5943)]