18641139

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{89}}^1\times {\mathrm{577}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 27674640

約数和(自身を除く): 9033501

約数列:

[1, 3, 11, 33, 89, 121, 267, 363, 577, 979, 1731, 2937, 6347, 10769, 19041, 32307, 51353, 69817, 154059, 209451, 564883, 1694649, 6213713, 18641139]

約数ペア:

[(1, 18641139), (3, 6213713), (11, 1694649), (33, 564883), (89, 209451), (121, 154059), (267, 69817), (363, 51353), (577, 32307), (979, 19041), (1731, 10769), (2937, 6347)]