17989136

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2439

約数の個数: 40

約数和(自身を含む): 38923104

約数和(自身を除く): 20933968

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2377, 3784, 4754, 7568, 9508, 19016, 26147, 38032, 52294, 102211, 104588, 204422, 209176, 408844, 418352, 817688, 1124321, 1635376, 2248642, 4497284, 8994568, 17989136]

約数ペア:

[(1, 17989136), (2, 8994568), (4, 4497284), (8, 2248642), (11, 1635376), (16, 1124321), (22, 817688), (43, 418352), (44, 408844), (86, 209176), (88, 204422), (172, 104588), (176, 102211), (344, 52294), (473, 38032), (688, 26147), (946, 19016), (1892, 9508), (2377, 7568), (3784, 4754)]