18954010

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17389}}^1$

素因数の和:17505

約数の個数: 16

約数和(自身を含む): 34432200

約数和(自身を除く): 15478190

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17389, 34778, 86945, 173890, 1895401, 3790802, 9477005, 18954010]

約数ペア:

[(1, 18954010), (2, 9477005), (5, 3790802), (10, 1895401), (109, 173890), (218, 86945), (545, 34778), (1090, 17389)]