18205623

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{463}}^1$

素因数の和:743

約数の個数: 24

約数和(自身を含む): 28012608

約数和(自身を除く): 9806985

約数列:

[1, 3, 9, 17, 51, 153, 257, 463, 771, 1389, 2313, 4167, 4369, 7871, 13107, 23613, 39321, 70839, 118991, 356973, 1070919, 2022847, 6068541, 18205623]

約数ペア:

[(1, 18205623), (3, 6068541), (9, 2022847), (17, 1070919), (51, 356973), (153, 118991), (257, 70839), (463, 39321), (771, 23613), (1389, 13107), (2313, 7871), (4167, 4369)]