18711444784

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{347}}^1\times {\mathrm{63589}}^1$

素因数の和:63997

約数の個数: 40

約数和(自身を含む): 37044481680

約数和(自身を除く): 18333036896

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 347, 424, 694, 848, 1388, 2776, 5552, 18391, 36782, 63589, 73564, 127178, 147128, 254356, 294256, 508712, 1017424, 3370217, 6740434, 13480868, 22065383, 26961736, 44130766, 53923472, 88261532, 176523064, 353046128, 1169465299, 2338930598, 4677861196, 9355722392, 18711444784]

約数ペア:

[(1, 18711444784), (2, 9355722392), (4, 4677861196), (8, 2338930598), (16, 1169465299), (53, 353046128), (106, 176523064), (212, 88261532), (347, 53923472), (424, 44130766), (694, 26961736), (848, 22065383), (1388, 13480868), (2776, 6740434), (5552, 3370217), (18391, 1017424), (36782, 508712), (63589, 294256), (73564, 254356), (127178, 147128)]