12919772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{1223}}^1$

素因数の和:1385

約数の個数: 24

約数和(自身を含む): 23990400

約数和(自身を除く): 11070628

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 1223, 2446, 2641, 4892, 5282, 10564, 23237, 46474, 92948, 169997, 339994, 679988, 3229943, 6459886, 12919772]

約数ペア:

[(1, 12919772), (2, 6459886), (4, 3229943), (19, 679988), (38, 339994), (76, 169997), (139, 92948), (278, 46474), (556, 23237), (1223, 10564), (2446, 5282), (2641, 4892)]