18799792

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{479}}^1$

素因数の和:721

約数の個数: 40

約数和(自身を含む): 39997440

約数和(自身を除く): 21197648

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 223, 446, 479, 892, 958, 1784, 1916, 2453, 3568, 3832, 4906, 5269, 7664, 9812, 10538, 19624, 21076, 39248, 42152, 84304, 106817, 213634, 427268, 854536, 1174987, 1709072, 2349974, 4699948, 9399896, 18799792]

約数ペア:

[(1, 18799792), (2, 9399896), (4, 4699948), (8, 2349974), (11, 1709072), (16, 1174987), (22, 854536), (44, 427268), (88, 213634), (176, 106817), (223, 84304), (446, 42152), (479, 39248), (892, 21076), (958, 19624), (1784, 10538), (1916, 9812), (2453, 7664), (3568, 5269), (3832, 4906)]