19647979

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 21901824

約数和(自身を除く): 2253845

約数列:

[1, 13, 41, 191, 193, 533, 2483, 2509, 7831, 7913, 36863, 101803, 102869, 479219, 1511383, 19647979]

約数ペア:

[(1, 19647979), (13, 1511383), (41, 479219), (191, 102869), (193, 101803), (533, 36863), (2483, 7913), (2509, 7831)]