19616440

素因数分解:

$2^3\times 5^1\times {\mathrm{593}}^1\times {\mathrm{827}}^1$

素因数の和:1431

約数の個数: 32

約数和(自身を含む): 44264880

約数和(自身を除く): 24648440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 593, 827, 1186, 1654, 2372, 2965, 3308, 4135, 4744, 5930, 6616, 8270, 11860, 16540, 23720, 33080, 490411, 980822, 1961644, 2452055, 3923288, 4904110, 9808220, 19616440]

約数ペア:

[(1, 19616440), (2, 9808220), (4, 4904110), (5, 3923288), (8, 2452055), (10, 1961644), (20, 980822), (40, 490411), (593, 33080), (827, 23720), (1186, 16540), (1654, 11860), (2372, 8270), (2965, 6616), (3308, 5930), (4135, 4744)]