19183941

素因数分解:

$3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1061}}^1$

素因数の和:1122

約数の個数: 36

約数和(自身を含む): 33051564

約数和(自身を除く): 13867623

約数列:

[1, 3, 7, 9, 21, 41, 49, 63, 123, 147, 287, 369, 441, 861, 1061, 2009, 2583, 3183, 6027, 7427, 9549, 18081, 22281, 43501, 51989, 66843, 130503, 155967, 304507, 391509, 467901, 913521, 2131549, 2740563, 6394647, 19183941]

約数ペア:

[(1, 19183941), (3, 6394647), (7, 2740563), (9, 2131549), (21, 913521), (41, 467901), (49, 391509), (63, 304507), (123, 155967), (147, 130503), (287, 66843), (369, 51989), (441, 43501), (861, 22281), (1061, 18081), (2009, 9549), (2583, 7427), (3183, 6027)]