18794864

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4643}}^1$

素因数の和:4685

約数の個数: 40

約数和(自身を含む): 41461632

約数和(自身を除く): 22666768

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4643, 9286, 18572, 37144, 51073, 74288, 102146, 106789, 204292, 213578, 408584, 427156, 817168, 854312, 1174679, 1708624, 2349358, 4698716, 9397432, 18794864]

約数ペア:

[(1, 18794864), (2, 9397432), (4, 4698716), (8, 2349358), (11, 1708624), (16, 1174679), (22, 854312), (23, 817168), (44, 427156), (46, 408584), (88, 213578), (92, 204292), (176, 106789), (184, 102146), (253, 74288), (368, 51073), (506, 37144), (1012, 18572), (2024, 9286), (4048, 4643)]