19005005

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2473}}^1$

素因数の和:2560

約数の個数: 16

約数和(自身を含む): 24047280

約数和(自身を除く): 5042275

約数列:

[1, 5, 29, 53, 145, 265, 1537, 2473, 7685, 12365, 71717, 131069, 358585, 655345, 3801001, 19005005]

約数ペア:

[(1, 19005005), (5, 3801001), (29, 655345), (53, 358585), (145, 131069), (265, 71717), (1537, 12365), (2473, 7685)]