19734440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44851}}^1$

素因数の和:44873

約数の個数: 32

約数和(自身を含む): 48440160

約数和(自身を除く): 28705720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44851, 89702, 179404, 224255, 358808, 448510, 493361, 897020, 986722, 1794040, 1973444, 2466805, 3946888, 4933610, 9867220, 19734440]

約数ペア:

[(1, 19734440), (2, 9867220), (4, 4933610), (5, 3946888), (8, 2466805), (10, 1973444), (11, 1794040), (20, 986722), (22, 897020), (40, 493361), (44, 448510), (55, 358808), (88, 224255), (110, 179404), (220, 89702), (440, 44851)]