18655644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{11689}}^1$

素因数の和:11722

約数の個数: 48

約数和(自身を含む): 52371200

約数和(自身を除く): 33715556

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 11689, 23378, 35067, 46756, 70134, 81823, 140268, 163646, 222091, 245469, 327292, 444182, 490938, 666273, 888364, 981876, 1332546, 1554637, 2665092, 3109274, 4663911, 6218548, 9327822, 18655644]

約数ペア:

[(1, 18655644), (2, 9327822), (3, 6218548), (4, 4663911), (6, 3109274), (7, 2665092), (12, 1554637), (14, 1332546), (19, 981876), (21, 888364), (28, 666273), (38, 490938), (42, 444182), (57, 327292), (76, 245469), (84, 222091), (114, 163646), (133, 140268), (228, 81823), (266, 70134), (399, 46756), (532, 35067), (798, 23378), (1596, 11689)]