18651208

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 35897400

約数和(自身を除く): 17246192

約数列:

[1, 2, 4, 8, 73, 109, 146, 218, 292, 293, 436, 584, 586, 872, 1172, 2344, 7957, 15914, 21389, 31828, 31937, 42778, 63656, 63874, 85556, 127748, 171112, 255496, 2331401, 4662802, 9325604, 18651208]

約数ペア:

[(1, 18651208), (2, 9325604), (4, 4662802), (8, 2331401), (73, 255496), (109, 171112), (146, 127748), (218, 85556), (292, 63874), (293, 63656), (436, 42778), (584, 31937), (586, 31828), (872, 21389), (1172, 15914), (2344, 7957)]