18722792

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{1409}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 38577600

約数和(自身を除く): 19854808

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 151, 302, 604, 1208, 1409, 1661, 2818, 3322, 5636, 6644, 11272, 13288, 15499, 30998, 61996, 123992, 212759, 425518, 851036, 1702072, 2340349, 4680698, 9361396, 18722792]

約数ペア:

[(1, 18722792), (2, 9361396), (4, 4680698), (8, 2340349), (11, 1702072), (22, 851036), (44, 425518), (88, 212759), (151, 123992), (302, 61996), (604, 30998), (1208, 15499), (1409, 13288), (1661, 11272), (2818, 6644), (3322, 5636)]