18543978

素因数分解:

$2^1\times 3^4\times {\mathrm{113}}^1\times {\mathrm{1013}}^1$

素因数の和:1140

約数の個数: 40

約数和(自身を含む): 41961348

約数和(自身を除く): 23417370

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 113, 162, 226, 339, 678, 1013, 1017, 2026, 2034, 3039, 3051, 6078, 6102, 9117, 9153, 18234, 18306, 27351, 54702, 82053, 114469, 164106, 228938, 343407, 686814, 1030221, 2060442, 3090663, 6181326, 9271989, 18543978]

約数ペア:

[(1, 18543978), (2, 9271989), (3, 6181326), (6, 3090663), (9, 2060442), (18, 1030221), (27, 686814), (54, 343407), (81, 228938), (113, 164106), (162, 114469), (226, 82053), (339, 54702), (678, 27351), (1013, 18306), (1017, 18234), (2026, 9153), (2034, 9117), (3039, 6102), (3051, 6078)]