19693870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{797}}^1$

素因数の和:1164

約数の個数: 32

約数和(自身を含む): 40678848

約数和(自身を除く): 20984978

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 353, 706, 797, 1594, 1765, 2471, 3530, 3985, 4942, 5579, 7970, 11158, 12355, 24710, 27895, 55790, 281341, 562682, 1406705, 1969387, 2813410, 3938774, 9846935, 19693870]

約数ペア:

[(1, 19693870), (2, 9846935), (5, 3938774), (7, 2813410), (10, 1969387), (14, 1406705), (35, 562682), (70, 281341), (353, 55790), (706, 27895), (797, 24710), (1594, 12355), (1765, 11158), (2471, 7970), (3530, 5579), (3985, 4942)]