17890379

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 20127744

約数和(自身を除く): 2237365

約数列:

[1, 13, 31, 103, 403, 431, 1339, 3193, 5603, 13361, 41509, 44393, 173693, 577109, 1376183, 17890379]

約数ペア:

[(1, 17890379), (13, 1376183), (31, 577109), (103, 173693), (403, 44393), (431, 41509), (1339, 13361), (3193, 5603)]