18966545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2677}}^1$

素因数の和:2804

約数の個数: 16

約数和(自身を含む): 24744720

約数和(自身を除く): 5778175

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2677, 7085, 13385, 34801, 174005, 291793, 1458965, 3793309, 18966545]

約数ペア:

[(1, 18966545), (5, 3793309), (13, 1458965), (65, 291793), (109, 174005), (545, 34801), (1417, 13385), (2677, 7085)]