17958668

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 39137280

約数和(自身を除く): 21178612

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 103, 182, 206, 364, 412, 479, 721, 958, 1339, 1442, 1916, 2678, 2884, 3353, 5356, 6227, 6706, 9373, 12454, 13412, 18746, 24908, 37492, 43589, 49337, 87178, 98674, 174356, 197348, 345359, 641381, 690718, 1282762, 1381436, 2565524, 4489667, 8979334, 17958668]

約数ペア:

[(1, 17958668), (2, 8979334), (4, 4489667), (7, 2565524), (13, 1381436), (14, 1282762), (26, 690718), (28, 641381), (52, 345359), (91, 197348), (103, 174356), (182, 98674), (206, 87178), (364, 49337), (412, 43589), (479, 37492), (721, 24908), (958, 18746), (1339, 13412), (1442, 12454), (1916, 9373), (2678, 6706), (2884, 6227), (3353, 5356)]