19762468

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4447}}^1$

素因数の和:4563

約数の個数: 24

約数和(自身を含む): 38110464

約数和(自身を除く): 18347996

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4444, 4447, 8894, 17788, 48917, 97834, 195668, 449147, 898294, 1796588, 4940617, 9881234, 19762468]

約数ペア:

[(1, 19762468), (2, 9881234), (4, 4940617), (11, 1796588), (22, 898294), (44, 449147), (101, 195668), (202, 97834), (404, 48917), (1111, 17788), (2222, 8894), (4444, 4447)]