12540988

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{5323}}^1$

素因数の和:5377

約数の個数: 24

約数和(自身を含む): 23851520

約数和(自身を除く): 11310532

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 589, 1178, 2356, 5323, 10646, 21292, 101137, 165013, 202274, 330026, 404548, 660052, 3135247, 6270494, 12540988]

約数ペア:

[(1, 12540988), (2, 6270494), (4, 3135247), (19, 660052), (31, 404548), (38, 330026), (62, 202274), (76, 165013), (124, 101137), (589, 21292), (1178, 10646), (2356, 5323)]