18834181989

素因数分解:

$3^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{5717}}^1$

素因数の和:6114

約数の個数: 48

約数和(自身を含む): 29714021568

約数和(自身を除く): 10879839579

約数列:

[1, 3, 7, 21, 49, 73, 147, 219, 307, 511, 921, 1533, 2149, 3577, 5717, 6447, 10731, 15043, 17151, 22411, 40019, 45129, 67233, 120057, 156877, 280133, 417341, 470631, 840399, 1098139, 1252023, 1755119, 2921387, 3294417, 5265357, 8764161, 12285833, 20449709, 36857499, 61349127, 86000831, 128123687, 258002493, 384371061, 896865809, 2690597427, 6278060663, 18834181989]

約数ペア:

[(1, 18834181989), (3, 6278060663), (7, 2690597427), (21, 896865809), (49, 384371061), (73, 258002493), (147, 128123687), (219, 86000831), (307, 61349127), (511, 36857499), (921, 20449709), (1533, 12285833), (2149, 8764161), (3577, 5265357), (5717, 3294417), (6447, 2921387), (10731, 1755119), (15043, 1252023), (17151, 1098139), (22411, 840399), (40019, 470631), (45129, 417341), (67233, 280133), (120057, 156877)]