19153665

素因数分解:

$3^4\times 5^1\times {\mathrm{47293}}^1$

素因数の和:47310

約数の個数: 20

約数和(自身を含む): 34335444

約数和(自身を除く): 15181779

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47293, 141879, 236465, 425637, 709395, 1276911, 2128185, 3830733, 6384555, 19153665]

約数ペア:

[(1, 19153665), (3, 6384555), (5, 3830733), (9, 2128185), (15, 1276911), (27, 709395), (45, 425637), (81, 236465), (135, 141879), (405, 47293)]