18616168

素因数分解:

$2^3\times {\mathrm{73}}^1\times {\mathrm{127}}^1\times {\mathrm{251}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 17187992

約数列:

[1, 2, 4, 8, 73, 127, 146, 251, 254, 292, 502, 508, 584, 1004, 1016, 2008, 9271, 18323, 18542, 31877, 36646, 37084, 63754, 73292, 74168, 127508, 146584, 255016, 2327021, 4654042, 9308084, 18616168]

約数ペア:

[(1, 18616168), (2, 9308084), (4, 4654042), (8, 2327021), (73, 255016), (127, 146584), (146, 127508), (251, 74168), (254, 73292), (292, 63754), (502, 37084), (508, 36646), (584, 31877), (1004, 18542), (1016, 18323), (2008, 9271)]