18530081515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{639299}}^1$

素因数の和:639363

約数の個数: 32

約数和(自身を含む): 26513049600

約数和(自身を除く): 7982968085

約数列:

[1, 5, 11, 17, 31, 55, 85, 155, 187, 341, 527, 935, 1705, 2635, 5797, 28985, 639299, 3196495, 7032289, 10868083, 19818269, 35161445, 54340415, 99091345, 119548913, 218000959, 336910573, 597744565, 1090004795, 1684552865, 3706016303, 18530081515]

約数ペア:

[(1, 18530081515), (5, 3706016303), (11, 1684552865), (17, 1090004795), (31, 597744565), (55, 336910573), (85, 218000959), (155, 119548913), (187, 99091345), (341, 54340415), (527, 35161445), (935, 19818269), (1705, 10868083), (2635, 7032289), (5797, 3196495), (28985, 639299)]