18521775417

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1237}}^1\times {\mathrm{2143}}^1$

素因数の和:3537

約数の個数: 32

約数和(自身を含む): 26372846592

約数和(自身を除く): 7851071175

約数列:

[1, 3, 17, 51, 137, 411, 1237, 2143, 2329, 3711, 6429, 6987, 21029, 36431, 63087, 109293, 169469, 293591, 508407, 880773, 2650891, 2880973, 4991047, 7952673, 8642919, 14973141, 45065147, 135195441, 363172067, 1089516201, 6173925139, 18521775417]

約数ペア:

[(1, 18521775417), (3, 6173925139), (17, 1089516201), (51, 363172067), (137, 135195441), (411, 45065147), (1237, 14973141), (2143, 8642919), (2329, 7952673), (3711, 4991047), (6429, 2880973), (6987, 2650891), (21029, 880773), (36431, 508407), (63087, 293591), (109293, 169469)]