18836726

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1217}}^1$

素因数の和:1399

約数の個数: 16

約数和(自身を含む): 28939680

約数和(自身を除く): 10102954

約数列:

[1, 2, 71, 109, 142, 218, 1217, 2434, 7739, 15478, 86407, 132653, 172814, 265306, 9418363, 18836726]

約数ペア:

[(1, 18836726), (2, 9418363), (71, 265306), (109, 172814), (142, 132653), (218, 86407), (1217, 15478), (2434, 7739)]