18715047

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1543}}^1$

素因数の和:1870

約数の個数: 16

約数和(自身を含む): 26976768

約数和(自身を除く): 8261721

約数列:

[1, 3, 13, 39, 311, 933, 1543, 4043, 4629, 12129, 20059, 60177, 479873, 1439619, 6238349, 18715047]

約数ペア:

[(1, 18715047), (3, 6238349), (13, 1439619), (39, 479873), (311, 60177), (933, 20059), (1543, 12129), (4043, 4629)]