19841404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{10487}}^1$

素因数の和:10545

約数の個数: 24

約数和(自身を含む): 38763648

約数和(自身を除く): 18922244

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 10487, 20974, 41948, 115357, 230714, 450941, 461428, 901882, 1803764, 4960351, 9920702, 19841404]

約数ペア:

[(1, 19841404), (2, 9920702), (4, 4960351), (11, 1803764), (22, 901882), (43, 461428), (44, 450941), (86, 230714), (172, 115357), (473, 41948), (946, 20974), (1892, 10487)]