198004180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{900019}}^1$

素因数の和:900039

約数の個数: 24

約数和(自身を含む): 453610080

約数和(自身を除く): 255605900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 900019, 1800038, 3600076, 4500095, 9000190, 9900209, 18000380, 19800418, 39600836, 49501045, 99002090, 198004180]

約数ペア:

[(1, 198004180), (2, 99002090), (4, 49501045), (5, 39600836), (10, 19800418), (11, 18000380), (20, 9900209), (22, 9000190), (44, 4500095), (55, 3600076), (110, 1800038), (220, 900019)]