18744044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{9907}}^1$

素因数の和:9965

約数の個数: 24

約数和(自身を含む): 36619968

約数和(自身を除く): 17875924

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 9907, 19814, 39628, 108977, 217954, 426001, 435908, 852002, 1704004, 4686011, 9372022, 18744044]

約数ペア:

[(1, 18744044), (2, 9372022), (4, 4686011), (11, 1704004), (22, 852002), (43, 435908), (44, 426001), (86, 217954), (172, 108977), (473, 39628), (946, 19814), (1892, 9907)]