10991918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{43}}^1$

素因数の和:133

約数の個数: 48

約数和(自身を含む): 20972160

約数和(自身を除く): 9980242

約数列:

[1, 2, 7, 14, 19, 31, 38, 43, 62, 86, 133, 217, 266, 301, 434, 589, 602, 817, 961, 1178, 1333, 1634, 1922, 2666, 4123, 5719, 6727, 8246, 9331, 11438, 13454, 18259, 18662, 25327, 36518, 41323, 50654, 82646, 127813, 177289, 255626, 289261, 354578, 578522, 785137, 1570274, 5495959, 10991918]

約数ペア:

[(1, 10991918), (2, 5495959), (7, 1570274), (14, 785137), (19, 578522), (31, 354578), (38, 289261), (43, 255626), (62, 177289), (86, 127813), (133, 82646), (217, 50654), (266, 41323), (301, 36518), (434, 25327), (589, 18662), (602, 18259), (817, 13454), (961, 11438), (1178, 9331), (1333, 8246), (1634, 6727), (1922, 5719), (2666, 4123)]