19595708

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{40487}}^1$

素因数の和:40513

約数の個数: 18

約数和(自身を含む): 37694328

約数和(自身を除く): 18098620

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 40487, 80974, 161948, 445357, 890714, 1781428, 4898927, 9797854, 19595708]

約数ペア:

[(1, 19595708), (2, 9797854), (4, 4898927), (11, 1781428), (22, 890714), (44, 445357), (121, 161948), (242, 80974), (484, 40487)]