19026898

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{20113}}^1$

素因数の和:20169

約数の個数: 16

約数和(自身を含む): 31860576

約数和(自身を除く): 12833678

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 20113, 40226, 221243, 442486, 864859, 1729718, 9513449, 19026898]

約数ペア:

[(1, 19026898), (2, 9513449), (11, 1729718), (22, 864859), (43, 442486), (86, 221243), (473, 40226), (946, 20113)]