18520773

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{5711}}^1$

素因数の和:5784

約数の個数: 16

約数和(自身を含む): 26320896

約数和(自身を除く): 7800123

約数列:

[1, 3, 23, 47, 69, 141, 1081, 3243, 5711, 17133, 131353, 268417, 394059, 805251, 6173591, 18520773]

約数ペア:

[(1, 18520773), (3, 6173591), (23, 805251), (47, 394059), (69, 268417), (141, 131353), (1081, 17133), (3243, 5711)]