19876550738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{3617}}^1$

素因数の和:3867

約数の個数: 64

約数和(自身を含む): 34408395648

約数和(自身を除く): 14531844910

約数列:

[1, 2, 11, 22, 37, 43, 74, 86, 157, 314, 407, 473, 814, 946, 1591, 1727, 3182, 3454, 3617, 5809, 6751, 7234, 11618, 13502, 17501, 35002, 39787, 63899, 74261, 79574, 127798, 133829, 148522, 155531, 249787, 267658, 311062, 499574, 567869, 1135738, 1472119, 1710841, 2747657, 2944238, 3421682, 5495314, 5754647, 6246559, 11509294, 12493118, 21011153, 24418367, 42022306, 48836734, 63301117, 126602234, 231122683, 268602037, 462245366, 537204074, 903479579, 1806959158, 9938275369, 19876550738]

約数ペア:

[(1, 19876550738), (2, 9938275369), (11, 1806959158), (22, 903479579), (37, 537204074), (43, 462245366), (74, 268602037), (86, 231122683), (157, 126602234), (314, 63301117), (407, 48836734), (473, 42022306), (814, 24418367), (946, 21011153), (1591, 12493118), (1727, 11509294), (3182, 6246559), (3454, 5754647), (3617, 5495314), (5809, 3421682), (6751, 2944238), (7234, 2747657), (11618, 1710841), (13502, 1472119), (17501, 1135738), (35002, 567869), (39787, 499574), (63899, 311062), (74261, 267658), (79574, 249787), (127798, 155531), (133829, 148522)]