18764735

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{9221}}^1$

素因数の和:9274

約数の個数: 16

約数和(自身を含む): 25231392

約数和(自身を除く): 6466657

約数列:

[1, 5, 11, 37, 55, 185, 407, 2035, 9221, 46105, 101431, 341177, 507155, 1705885, 3752947, 18764735]

約数ペア:

[(1, 18764735), (5, 3752947), (11, 1705885), (37, 507155), (55, 341177), (185, 101431), (407, 46105), (2035, 9221)]