18959972

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{1429}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 34594560

約数和(自身を除く): 15634588

約数列:

[1, 2, 4, 31, 62, 107, 124, 214, 428, 1429, 2858, 3317, 5716, 6634, 13268, 44299, 88598, 152903, 177196, 305806, 611612, 4739993, 9479986, 18959972]

約数ペア:

[(1, 18959972), (2, 9479986), (4, 4739993), (31, 611612), (62, 305806), (107, 177196), (124, 152903), (214, 88598), (428, 44299), (1429, 13268), (2858, 6634), (3317, 5716)]