18625166

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{563}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 34110720

約数和(自身を除く): 15485554

約数列:

[1, 2, 7, 14, 17, 34, 119, 139, 238, 278, 563, 973, 1126, 1946, 2363, 3941, 4726, 7882, 9571, 16541, 19142, 33082, 66997, 78257, 133994, 156514, 547799, 1095598, 1330369, 2660738, 9312583, 18625166]

約数ペア:

[(1, 18625166), (2, 9312583), (7, 2660738), (14, 1330369), (17, 1095598), (34, 547799), (119, 156514), (139, 133994), (238, 78257), (278, 66997), (563, 33082), (973, 19142), (1126, 16541), (1946, 9571), (2363, 7882), (3941, 4726)]