19382860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138449}}^1$

素因数の和:138465

約数の個数: 24

約数和(自身を含む): 46519200

約数和(自身を除く): 27136340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138449, 276898, 553796, 692245, 969143, 1384490, 1938286, 2768980, 3876572, 4845715, 9691430, 19382860]

約数ペア:

[(1, 19382860), (2, 9691430), (4, 4845715), (5, 3876572), (7, 2768980), (10, 1938286), (14, 1384490), (20, 969143), (28, 692245), (35, 553796), (70, 276898), (140, 138449)]