18265221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{1459}}^1$

素因数の和:1585

約数の個数: 24

約数和(自身を含む): 28697760

約数和(自身を除く): 10432539

約数列:

[1, 3, 9, 13, 39, 107, 117, 321, 963, 1391, 1459, 4173, 4377, 12519, 13131, 18967, 56901, 156113, 170703, 468339, 1405017, 2029469, 6088407, 18265221]

約数ペア:

[(1, 18265221), (3, 6088407), (9, 2029469), (13, 1405017), (39, 468339), (107, 170703), (117, 156113), (321, 56901), (963, 18967), (1391, 13131), (1459, 12519), (4173, 4377)]