12018545

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1$

素因数の和:126

約数の個数: 64

約数和(自身を含む): 19906560

約数和(自身を除く): 7888015

約数列:

[1, 5, 7, 11, 19, 31, 35, 53, 55, 77, 95, 133, 155, 209, 217, 265, 341, 371, 385, 583, 589, 665, 1007, 1045, 1085, 1463, 1643, 1705, 1855, 2387, 2915, 2945, 4081, 4123, 5035, 6479, 7049, 7315, 8215, 11077, 11501, 11935, 18073, 20405, 20615, 31217, 32395, 35245, 45353, 55385, 57505, 77539, 90365, 126511, 156085, 218519, 226765, 343387, 387695, 632555, 1092595, 1716935, 2403709, 12018545]

約数ペア:

[(1, 12018545), (5, 2403709), (7, 1716935), (11, 1092595), (19, 632555), (31, 387695), (35, 343387), (53, 226765), (55, 218519), (77, 156085), (95, 126511), (133, 90365), (155, 77539), (209, 57505), (217, 55385), (265, 45353), (341, 35245), (371, 32395), (385, 31217), (583, 20615), (589, 20405), (665, 18073), (1007, 11935), (1045, 11501), (1085, 11077), (1463, 8215), (1643, 7315), (1705, 7049), (1855, 6479), (2387, 5035), (2915, 4123), (2945, 4081)]