19541907

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 35612928

約数和(自身を除く): 16071021

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 163, 173, 231, 489, 519, 693, 1141, 1211, 1467, 1557, 1793, 1903, 3423, 3633, 5379, 5709, 10269, 10899, 12551, 13321, 16137, 17127, 28199, 37653, 39963, 84597, 112959, 119889, 197393, 253791, 310189, 592179, 930567, 1776537, 2171323, 2791701, 6513969, 19541907]

約数ペア:

[(1, 19541907), (3, 6513969), (7, 2791701), (9, 2171323), (11, 1776537), (21, 930567), (33, 592179), (63, 310189), (77, 253791), (99, 197393), (163, 119889), (173, 112959), (231, 84597), (489, 39963), (519, 37653), (693, 28199), (1141, 17127), (1211, 16137), (1467, 13321), (1557, 12551), (1793, 10899), (1903, 10269), (3423, 5709), (3633, 5379)]