18178336

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1265

約数の個数: 48

約数和(自身を含む): 39983328

約数和(自身を除く): 21804992

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1201, 1376, 1892, 2402, 3784, 4804, 7568, 9608, 13211, 15136, 19216, 26422, 38432, 51643, 52844, 103286, 105688, 206572, 211376, 413144, 422752, 568073, 826288, 1136146, 1652576, 2272292, 4544584, 9089168, 18178336]

約数ペア:

[(1, 18178336), (2, 9089168), (4, 4544584), (8, 2272292), (11, 1652576), (16, 1136146), (22, 826288), (32, 568073), (43, 422752), (44, 413144), (86, 211376), (88, 206572), (172, 105688), (176, 103286), (344, 52844), (352, 51643), (473, 38432), (688, 26422), (946, 19216), (1201, 15136), (1376, 13211), (1892, 9608), (2402, 7568), (3784, 4804)]