19521560

素因数分解:

$2^3\times 5^1\times {\mathrm{593}}^1\times {\mathrm{823}}^1$

素因数の和:1427

約数の個数: 32

約数和(自身を含む): 44051040

約数和(自身を除く): 24529480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 593, 823, 1186, 1646, 2372, 2965, 3292, 4115, 4744, 5930, 6584, 8230, 11860, 16460, 23720, 32920, 488039, 976078, 1952156, 2440195, 3904312, 4880390, 9760780, 19521560]

約数ペア:

[(1, 19521560), (2, 9760780), (4, 4880390), (5, 3904312), (8, 2440195), (10, 1952156), (20, 976078), (40, 488039), (593, 32920), (823, 23720), (1186, 16460), (1646, 11860), (2372, 8230), (2965, 6584), (3292, 5930), (4115, 4744)]