18890487

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27259}}^1$

素因数の和:27283

約数の個数: 24

約数和(自身を含む): 34020480

約数和(自身を除く): 15129993

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 27259, 81777, 190813, 245331, 299849, 572439, 899547, 1717317, 2098943, 2698641, 6296829, 18890487]

約数ペア:

[(1, 18890487), (3, 6296829), (7, 2698641), (9, 2098943), (11, 1717317), (21, 899547), (33, 572439), (63, 299849), (77, 245331), (99, 190813), (231, 81777), (693, 27259)]