18986288

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8537}}^1$

素因数の和:8684

約数の個数: 20

約数和(自身を含む): 37054920

約数和(自身を除く): 18068632

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8537, 17074, 34148, 68296, 136592, 1186643, 2373286, 4746572, 9493144, 18986288]

約数ペア:

[(1, 18986288), (2, 9493144), (4, 4746572), (8, 2373286), (16, 1186643), (139, 136592), (278, 68296), (556, 34148), (1112, 17074), (2224, 8537)]