18078158

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 33832800

約数和(自身を除く): 15754642

約数列:

[1, 2, 7, 14, 19, 38, 49, 73, 98, 133, 146, 266, 343, 361, 511, 686, 722, 931, 1022, 1387, 1862, 2527, 2774, 3577, 5054, 6517, 7154, 9709, 13034, 17689, 19418, 25039, 26353, 35378, 50078, 52706, 67963, 123823, 135926, 184471, 247646, 368942, 475741, 951482, 1291297, 2582594, 9039079, 18078158]

約数ペア:

[(1, 18078158), (2, 9039079), (7, 2582594), (14, 1291297), (19, 951482), (38, 475741), (49, 368942), (73, 247646), (98, 184471), (133, 135926), (146, 123823), (266, 67963), (343, 52706), (361, 50078), (511, 35378), (686, 26353), (722, 25039), (931, 19418), (1022, 17689), (1387, 13034), (1862, 9709), (2527, 7154), (2774, 6517), (3577, 5054)]