19561254

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 43102800

約数和(自身を除く): 23541546

約数列:

[1, 2, 3, 6, 17, 29, 34, 51, 58, 87, 102, 174, 289, 389, 493, 578, 778, 867, 986, 1167, 1479, 1734, 2334, 2958, 6613, 8381, 11281, 13226, 16762, 19839, 22562, 25143, 33843, 39678, 50286, 67686, 112421, 191777, 224842, 337263, 383554, 575331, 674526, 1150662, 3260209, 6520418, 9780627, 19561254]

約数ペア:

[(1, 19561254), (2, 9780627), (3, 6520418), (6, 3260209), (17, 1150662), (29, 674526), (34, 575331), (51, 383554), (58, 337263), (87, 224842), (102, 191777), (174, 112421), (289, 67686), (389, 50286), (493, 39678), (578, 33843), (778, 25143), (867, 22562), (986, 19839), (1167, 16762), (1479, 13226), (1734, 11281), (2334, 8381), (2958, 6613)]