18685256

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{347}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 36080640

約数和(自身を除く): 17395384

約数列:

[1, 2, 4, 8, 53, 106, 127, 212, 254, 347, 424, 508, 694, 1016, 1388, 2776, 6731, 13462, 18391, 26924, 36782, 44069, 53848, 73564, 88138, 147128, 176276, 352552, 2335657, 4671314, 9342628, 18685256]

約数ペア:

[(1, 18685256), (2, 9342628), (4, 4671314), (8, 2335657), (53, 352552), (106, 176276), (127, 147128), (212, 88138), (254, 73564), (347, 53848), (424, 44069), (508, 36782), (694, 26924), (1016, 18391), (1388, 13462), (2776, 6731)]