19410580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138647}}^1$

素因数の和:138663

約数の個数: 24

約数和(自身を含む): 46585728

約数和(自身を除く): 27175148

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138647, 277294, 554588, 693235, 970529, 1386470, 1941058, 2772940, 3882116, 4852645, 9705290, 19410580]

約数ペア:

[(1, 19410580), (2, 9705290), (4, 4852645), (5, 3882116), (7, 2772940), (10, 1941058), (14, 1386470), (20, 970529), (28, 693235), (35, 554588), (70, 277294), (140, 138647)]