19798005

素因数分解:

$3^1\times 5^1\times {\mathrm{353}}^1\times {\mathrm{3739}}^1$

素因数の和:4100

約数の個数: 16

約数和(自身を含む): 31775040

約数和(自身を除く): 11977035

約数列:

[1, 3, 5, 15, 353, 1059, 1765, 3739, 5295, 11217, 18695, 56085, 1319867, 3959601, 6599335, 19798005]

約数ペア:

[(1, 19798005), (3, 6599335), (5, 3959601), (15, 1319867), (353, 56085), (1059, 18695), (1765, 11217), (3739, 5295)]