19557392

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7499}}^1$

素因数の和:7670

約数の個数: 20

約数和(自身を含む): 38130000

約数和(自身を除く): 18572608

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7499, 14998, 29996, 59992, 119984, 1222337, 2444674, 4889348, 9778696, 19557392]

約数ペア:

[(1, 19557392), (2, 9778696), (4, 4889348), (8, 2444674), (16, 1222337), (163, 119984), (326, 59992), (652, 29996), (1304, 14998), (2608, 7499)]