18215908

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{613}}^1$

素因数の和:676

約数の個数: 48

約数和(自身を含む): 37134720

約数和(自身を除く): 18918812

約数列:

[1, 2, 4, 17, 19, 23, 34, 38, 46, 68, 76, 92, 323, 391, 437, 613, 646, 782, 874, 1226, 1292, 1564, 1748, 2452, 7429, 10421, 11647, 14099, 14858, 20842, 23294, 28198, 29716, 41684, 46588, 56396, 197999, 239683, 267881, 395998, 479366, 535762, 791996, 958732, 1071524, 4553977, 9107954, 18215908]

約数ペア:

[(1, 18215908), (2, 9107954), (4, 4553977), (17, 1071524), (19, 958732), (23, 791996), (34, 535762), (38, 479366), (46, 395998), (68, 267881), (76, 239683), (92, 197999), (323, 56396), (391, 46588), (437, 41684), (613, 29716), (646, 28198), (782, 23294), (874, 20842), (1226, 14858), (1292, 14099), (1564, 11647), (1748, 10421), (2452, 7429)]