19861803

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3203}}^1$

素因数の和:3275

約数の個数: 24

約数和(自身を含む): 31488912

約数和(自身を除く): 11627109

約数列:

[1, 3, 9, 13, 39, 53, 117, 159, 477, 689, 2067, 3203, 6201, 9609, 28827, 41639, 124917, 169759, 374751, 509277, 1527831, 2206867, 6620601, 19861803]

約数ペア:

[(1, 19861803), (3, 6620601), (9, 2206867), (13, 1527831), (39, 509277), (53, 374751), (117, 169759), (159, 124917), (477, 41639), (689, 28827), (2067, 9609), (3203, 6201)]