19112346440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43437151}}^1$

素因数の和:43437173

約数の個数: 32

約数和(自身を含む): 46912124160

約数和(自身を除く): 27799777720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43437151, 86874302, 173748604, 217185755, 347497208, 434371510, 477808661, 868743020, 955617322, 1737486040, 1911234644, 2389043305, 3822469288, 4778086610, 9556173220, 19112346440]

約数ペア:

[(1, 19112346440), (2, 9556173220), (4, 4778086610), (5, 3822469288), (8, 2389043305), (10, 1911234644), (11, 1737486040), (20, 955617322), (22, 868743020), (40, 477808661), (44, 434371510), (55, 347497208), (88, 217185755), (110, 173748604), (220, 86874302), (440, 43437151)]