12756638

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:312

約数の個数: 32

約数和(自身を含む): 21267840

約数和(自身を除く): 8511202

約数列:

[1, 2, 19, 37, 38, 43, 74, 86, 211, 422, 703, 817, 1406, 1591, 1634, 3182, 4009, 7807, 8018, 9073, 15614, 18146, 30229, 60458, 148333, 172387, 296666, 335701, 344774, 671402, 6378319, 12756638]

約数ペア:

[(1, 12756638), (2, 6378319), (19, 671402), (37, 344774), (38, 335701), (43, 296666), (74, 172387), (86, 148333), (211, 60458), (422, 30229), (703, 18146), (817, 15614), (1406, 9073), (1591, 8018), (1634, 7807), (3182, 4009)]