199905574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{478243}}^1$

素因数の和:478275

約数の個数: 16

約数和(自身を含む): 344335680

約数和(自身を除く): 144430106

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 478243, 956486, 5260673, 9086617, 10521346, 18173234, 99952787, 199905574]

約数ペア:

[(1, 199905574), (2, 99952787), (11, 18173234), (19, 10521346), (22, 9086617), (38, 5260673), (209, 956486), (418, 478243)]