17926220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68947}}^1$

素因数の和:68969

約数の個数: 24

約数和(自身を含む): 40541424

約数和(自身を除く): 22615204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68947, 137894, 275788, 344735, 689470, 896311, 1378940, 1792622, 3585244, 4481555, 8963110, 17926220]

約数ペア:

[(1, 17926220), (2, 8963110), (4, 4481555), (5, 3585244), (10, 1792622), (13, 1378940), (20, 896311), (26, 689470), (52, 344735), (65, 275788), (130, 137894), (260, 68947)]