18972051

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2797}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 32232960

約数和(自身を除く): 13260909

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 2797, 6783, 8391, 19579, 47549, 53143, 58737, 142647, 159429, 332843, 372001, 903431, 998529, 1116003, 2710293, 6324017, 18972051]

約数ペア:

[(1, 18972051), (3, 6324017), (7, 2710293), (17, 1116003), (19, 998529), (21, 903431), (51, 372001), (57, 332843), (119, 159429), (133, 142647), (323, 58737), (357, 53143), (399, 47549), (969, 19579), (2261, 8391), (2797, 6783)]