17995645

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:612

約数の個数: 16

約数和(自身を含む): 22119552

約数和(自身を除く): 4123907

約数列:

[1, 5, 83, 103, 415, 421, 515, 2105, 8549, 34943, 42745, 43363, 174715, 216815, 3599129, 17995645]

約数ペア:

[(1, 17995645), (5, 3599129), (83, 216815), (103, 174715), (415, 43363), (421, 42745), (515, 34943), (2105, 8549)]