19962448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1123}}^1$

素因数の和:1243

約数の個数: 40

約数和(自身を含む): 42649056

約数和(自身を除く): 22686608

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 101, 176, 202, 404, 808, 1111, 1123, 1616, 2222, 2246, 4444, 4492, 8888, 8984, 12353, 17776, 17968, 24706, 49412, 98824, 113423, 197648, 226846, 453692, 907384, 1247653, 1814768, 2495306, 4990612, 9981224, 19962448]

約数ペア:

[(1, 19962448), (2, 9981224), (4, 4990612), (8, 2495306), (11, 1814768), (16, 1247653), (22, 907384), (44, 453692), (88, 226846), (101, 197648), (176, 113423), (202, 98824), (404, 49412), (808, 24706), (1111, 17968), (1123, 17776), (1616, 12353), (2222, 8984), (2246, 8888), (4444, 4492)]