19926459

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:245

約数の個数: 64

約数和(自身を含む): 36864000

約数和(自身を除く): 16937541

約数列:

[1, 3, 7, 9, 19, 21, 27, 31, 57, 63, 93, 133, 171, 179, 189, 217, 279, 399, 513, 537, 589, 651, 837, 1197, 1253, 1611, 1767, 1953, 3401, 3591, 3759, 4123, 4833, 5301, 5549, 5859, 10203, 11277, 12369, 15903, 16647, 23807, 30609, 33831, 37107, 38843, 49941, 71421, 91827, 105431, 111321, 116529, 149823, 214263, 316293, 349587, 642789, 738017, 948879, 1048761, 2214051, 2846637, 6642153, 19926459]

約数ペア:

[(1, 19926459), (3, 6642153), (7, 2846637), (9, 2214051), (19, 1048761), (21, 948879), (27, 738017), (31, 642789), (57, 349587), (63, 316293), (93, 214263), (133, 149823), (171, 116529), (179, 111321), (189, 105431), (217, 91827), (279, 71421), (399, 49941), (513, 38843), (537, 37107), (589, 33831), (651, 30609), (837, 23807), (1197, 16647), (1253, 15903), (1611, 12369), (1767, 11277), (1953, 10203), (3401, 5859), (3591, 5549), (3759, 5301), (4123, 4833)]