12889505

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 16852392

約数和(自身を除く): 3962887

約数列:

[1, 5, 19, 37, 95, 185, 193, 361, 703, 965, 1805, 3515, 3667, 7141, 13357, 18335, 35705, 66785, 69673, 135679, 348365, 678395, 2577901, 12889505]

約数ペア:

[(1, 12889505), (5, 2577901), (19, 678395), (37, 348365), (95, 135679), (185, 69673), (193, 66785), (361, 35705), (703, 18335), (965, 13357), (1805, 7141), (3515, 3667)]