19315550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{5441}}^1$

素因数の和:5524

約数の個数: 24

約数和(自身を含む): 36439632

約数和(自身を除く): 17124082

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 5441, 10882, 27205, 54410, 136025, 272050, 386311, 772622, 1931555, 3863110, 9657775, 19315550]

約数ペア:

[(1, 19315550), (2, 9657775), (5, 3863110), (10, 1931555), (25, 772622), (50, 386311), (71, 272050), (142, 136025), (355, 54410), (710, 27205), (1775, 10882), (3550, 5441)]