19458261

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 30490668

約数和(自身を除く): 11032407

約数列:

[1, 3, 9, 19, 53, 57, 113, 159, 171, 339, 361, 477, 1007, 1017, 1083, 2147, 3021, 3249, 5989, 6441, 9063, 17967, 19133, 19323, 40793, 53901, 57399, 113791, 122379, 172197, 341373, 367137, 1024119, 2162029, 6486087, 19458261]

約数ペア:

[(1, 19458261), (3, 6486087), (9, 2162029), (19, 1024119), (53, 367137), (57, 341373), (113, 172197), (159, 122379), (171, 113791), (339, 57399), (361, 53901), (477, 40793), (1007, 19323), (1017, 19133), (1083, 17967), (2147, 9063), (3021, 6441), (3249, 5989)]