18381879

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{379}}^1$

素因数の和:719

約数の個数: 24

約数和(自身を含む): 28276560

約数和(自身を除く): 9894681

約数列:

[1, 3, 9, 17, 51, 153, 317, 379, 951, 1137, 2853, 3411, 5389, 6443, 16167, 19329, 48501, 57987, 120143, 360429, 1081287, 2042431, 6127293, 18381879]

約数ペア:

[(1, 18381879), (3, 6127293), (9, 2042431), (17, 1081287), (51, 360429), (153, 120143), (317, 57987), (379, 48501), (951, 19329), (1137, 16167), (2853, 6443), (3411, 5389)]