19505990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{4723}}^1$

素因数の和:4796

約数の個数: 32

約数和(自身を含む): 40815360

約数和(自身を除く): 21309370

約数列:

[1, 2, 5, 7, 10, 14, 35, 59, 70, 118, 295, 413, 590, 826, 2065, 4130, 4723, 9446, 23615, 33061, 47230, 66122, 165305, 278657, 330610, 557314, 1393285, 1950599, 2786570, 3901198, 9752995, 19505990]

約数ペア:

[(1, 19505990), (2, 9752995), (5, 3901198), (7, 2786570), (10, 1950599), (14, 1393285), (35, 557314), (59, 330610), (70, 278657), (118, 165305), (295, 66122), (413, 47230), (590, 33061), (826, 23615), (2065, 9446), (4130, 4723)]