18089938

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{683}}^1$

素因数の和:762

約数の個数: 32

約数和(自身を含む): 31026240

約数和(自身を除く): 12936302

約数列:

[1, 2, 17, 19, 34, 38, 41, 82, 323, 646, 683, 697, 779, 1366, 1394, 1558, 11611, 12977, 13243, 23222, 25954, 26486, 28003, 56006, 220609, 441218, 476051, 532057, 952102, 1064114, 9044969, 18089938]

約数ペア:

[(1, 18089938), (2, 9044969), (17, 1064114), (19, 952102), (34, 532057), (38, 476051), (41, 441218), (82, 220609), (323, 56006), (646, 28003), (683, 26486), (697, 25954), (779, 23222), (1366, 13243), (1394, 12977), (1558, 11611)]