18119841

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 26938368

約数和(自身を除く): 8818527

約数列:

[1, 3, 17, 31, 51, 73, 93, 157, 219, 471, 527, 1241, 1581, 2263, 2669, 3723, 4867, 6789, 8007, 11461, 14601, 34383, 38471, 82739, 115413, 194837, 248217, 355291, 584511, 1065873, 6039947, 18119841]

約数ペア:

[(1, 18119841), (3, 6039947), (17, 1065873), (31, 584511), (51, 355291), (73, 248217), (93, 194837), (157, 115413), (219, 82739), (471, 38471), (527, 34383), (1241, 14601), (1581, 11461), (2263, 8007), (2669, 6789), (3723, 4867)]