19054490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20939}}^1$

素因数の和:20966

約数の個数: 32

約数和(自身を含む): 42215040

約数和(自身を除く): 23160550

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20939, 41878, 104695, 146573, 209390, 272207, 293146, 544414, 732865, 1361035, 1465730, 1905449, 2722070, 3810898, 9527245, 19054490]

約数ペア:

[(1, 19054490), (2, 9527245), (5, 3810898), (7, 2722070), (10, 1905449), (13, 1465730), (14, 1361035), (26, 732865), (35, 544414), (65, 293146), (70, 272207), (91, 209390), (130, 146573), (182, 104695), (455, 41878), (910, 20939)]