19331180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{87869}}^1$

素因数の和:87889

約数の個数: 24

約数和(自身を含む): 44286480

約数和(自身を除く): 24955300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 87869, 175738, 351476, 439345, 878690, 966559, 1757380, 1933118, 3866236, 4832795, 9665590, 19331180]

約数ペア:

[(1, 19331180), (2, 9665590), (4, 4832795), (5, 3866236), (10, 1933118), (11, 1757380), (20, 966559), (22, 878690), (44, 439345), (55, 351476), (110, 175738), (220, 87869)]