18964568

素因数分解:

$2^3\times 7^2\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:600

約数の個数: 48

約数和(自身を含む): 41860800

約数和(自身を除く): 22896232

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 101, 196, 202, 392, 404, 479, 707, 808, 958, 1414, 1916, 2828, 3353, 3832, 4949, 5656, 6706, 9898, 13412, 19796, 23471, 26824, 39592, 46942, 48379, 93884, 96758, 187768, 193516, 338653, 387032, 677306, 1354612, 2370571, 2709224, 4741142, 9482284, 18964568]

約数ペア:

[(1, 18964568), (2, 9482284), (4, 4741142), (7, 2709224), (8, 2370571), (14, 1354612), (28, 677306), (49, 387032), (56, 338653), (98, 193516), (101, 187768), (196, 96758), (202, 93884), (392, 48379), (404, 46942), (479, 39592), (707, 26824), (808, 23471), (958, 19796), (1414, 13412), (1916, 9898), (2828, 6706), (3353, 5656), (3832, 4949)]