18685448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{137393}}^1$

素因数の和:137416

約数の個数: 16

約数和(自身を含む): 37096380

約数和(自身を除く): 18410932

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 137393, 274786, 549572, 1099144, 2335681, 4671362, 9342724, 18685448]

約数ペア:

[(1, 18685448), (2, 9342724), (4, 4671362), (8, 2335681), (17, 1099144), (34, 549572), (68, 274786), (136, 137393)]