18690426

素因数分解:

$2^1\times 3^4\times {\mathrm{113}}^1\times {\mathrm{1021}}^1$

素因数の和:1148

約数の個数: 40

約数和(自身を含む): 42292404

約数和(自身を除く): 23601978

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 113, 162, 226, 339, 678, 1017, 1021, 2034, 2042, 3051, 3063, 6102, 6126, 9153, 9189, 18306, 18378, 27567, 55134, 82701, 115373, 165402, 230746, 346119, 692238, 1038357, 2076714, 3115071, 6230142, 9345213, 18690426]

約数ペア:

[(1, 18690426), (2, 9345213), (3, 6230142), (6, 3115071), (9, 2076714), (18, 1038357), (27, 692238), (54, 346119), (81, 230746), (113, 165402), (162, 115373), (226, 82701), (339, 55134), (678, 27567), (1017, 18378), (1021, 18306), (2034, 9189), (2042, 9153), (3051, 6126), (3063, 6102)]