19970734

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{7027}}^1$

素因数の和:7072

約数の個数: 24

約数和(自身を含む): 36053640

約数和(自身を除く): 16082906

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 7027, 14054, 49189, 98378, 203783, 344323, 407566, 688646, 1426481, 2852962, 9985367, 19970734]

約数ペア:

[(1, 19970734), (2, 9985367), (7, 2852962), (14, 1426481), (29, 688646), (49, 407566), (58, 344323), (98, 203783), (203, 98378), (406, 49189), (1421, 14054), (2842, 7027)]