18728144

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28549}}^1$

素因数の和:28598

約数の個数: 20

約数和(自身を含む): 37172100

約数和(自身を除く): 18443956

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28549, 57098, 114196, 228392, 456784, 1170509, 2341018, 4682036, 9364072, 18728144]

約数ペア:

[(1, 18728144), (2, 9364072), (4, 4682036), (8, 2341018), (16, 1170509), (41, 456784), (82, 228392), (164, 114196), (328, 57098), (656, 28549)]