18857223

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27211}}^1$

素因数の和:27235

約数の個数: 24

約数和(自身を含む): 33960576

約数和(自身を除く): 15103353

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 27211, 81633, 190477, 244899, 299321, 571431, 897963, 1714293, 2095247, 2693889, 6285741, 18857223]

約数ペア:

[(1, 18857223), (3, 6285741), (7, 2693889), (9, 2095247), (11, 1714293), (21, 897963), (33, 571431), (63, 299321), (77, 244899), (99, 190477), (231, 81633), (693, 27211)]