19388769

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1\times {\mathrm{691}}^1$

素因数の和:940

約数の個数: 16

約数和(自身を含む): 26572800

約数和(自身を除く): 7184031

約数列:

[1, 3, 47, 141, 199, 597, 691, 2073, 9353, 28059, 32477, 97431, 137509, 412527, 6462923, 19388769]

約数ペア:

[(1, 19388769), (3, 6462923), (47, 412527), (141, 137509), (199, 97431), (597, 32477), (691, 28059), (2073, 9353)]