18702749

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{881}}^1$

素因数の和:988

約数の個数: 16

約数和(自身を含む): 21337344

約数和(自身を除く): 2634595

約数列:

[1, 13, 23, 71, 299, 881, 923, 1633, 11453, 20263, 21229, 62551, 263419, 813163, 1438673, 18702749]

約数ペア:

[(1, 18702749), (13, 1438673), (23, 813163), (71, 263419), (299, 62551), (881, 21229), (923, 20263), (1633, 11453)]