18402279

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2713}}^1$

素因数の和:2759

約数の個数: 32

約数和(自身を含む): 31265280

約数和(自身を除く): 12863001

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 2713, 6783, 8139, 18991, 46121, 51547, 56973, 138363, 154641, 322847, 360829, 876299, 968541, 1082487, 2628897, 6134093, 18402279]

約数ペア:

[(1, 18402279), (3, 6134093), (7, 2628897), (17, 1082487), (19, 968541), (21, 876299), (51, 360829), (57, 322847), (119, 154641), (133, 138363), (323, 56973), (357, 51547), (399, 46121), (969, 18991), (2261, 8139), (2713, 6783)]