18265744

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2383

約数の個数: 40

約数和(自身を含む): 41033088

約数和(自身を除く): 22767344

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2297, 3976, 4594, 7952, 9188, 16079, 18376, 32158, 36752, 64316, 128632, 163087, 257264, 326174, 652348, 1141609, 1304696, 2283218, 2609392, 4566436, 9132872, 18265744]

約数ペア:

[(1, 18265744), (2, 9132872), (4, 4566436), (7, 2609392), (8, 2283218), (14, 1304696), (16, 1141609), (28, 652348), (56, 326174), (71, 257264), (112, 163087), (142, 128632), (284, 64316), (497, 36752), (568, 32158), (994, 18376), (1136, 16079), (1988, 9188), (2297, 7952), (3976, 4594)]