12520012

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{257}}^1\times {\mathrm{641}}^1$

素因数の和:921

約数の個数: 24

約数和(自身を含む): 23189040

約数和(自身を除く): 10669028

約数列:

[1, 2, 4, 19, 38, 76, 257, 514, 641, 1028, 1282, 2564, 4883, 9766, 12179, 19532, 24358, 48716, 164737, 329474, 658948, 3130003, 6260006, 12520012]

約数ペア:

[(1, 12520012), (2, 6260006), (4, 3130003), (19, 658948), (38, 329474), (76, 164737), (257, 48716), (514, 24358), (641, 19532), (1028, 12179), (1282, 9766), (2564, 4883)]