19517470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2707}}^1$

素因数の和:2824

約数の個数: 32

約数和(自身を含む): 40555008

約数和(自身を除く): 21037538

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 2707, 3605, 5414, 7210, 13535, 18949, 27070, 37898, 94745, 189490, 278821, 557642, 1394105, 1951747, 2788210, 3903494, 9758735, 19517470]

約数ペア:

[(1, 19517470), (2, 9758735), (5, 3903494), (7, 2788210), (10, 1951747), (14, 1394105), (35, 557642), (70, 278821), (103, 189490), (206, 94745), (515, 37898), (721, 27070), (1030, 18949), (1442, 13535), (2707, 7210), (3605, 5414)]