18972415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{49279}}^1$

素因数の和:49302

約数の個数: 16

約数和(自身を含む): 28385280

約数和(自身を除く): 9412865

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 49279, 246395, 344953, 542069, 1724765, 2710345, 3794483, 18972415]

約数ペア:

[(1, 18972415), (5, 3794483), (7, 2710345), (11, 1724765), (35, 542069), (55, 344953), (77, 246395), (385, 49279)]