2019490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1669}}^1$

素因数の和:1698

約数の個数: 24

約数和(自身を含む): 3997980

約数和(自身を除く): 1978490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1669, 3338, 8345, 16690, 18359, 36718, 91795, 183590, 201949, 403898, 1009745, 2019490]

約数ペア:

[(1, 2019490), (2, 1009745), (5, 403898), (10, 201949), (11, 183590), (22, 91795), (55, 36718), (110, 18359), (121, 16690), (242, 8345), (605, 3338), (1210, 1669)]