18020765

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 27039744

約数和(自身を除く): 9018979

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 977, 1085, 2635, 3689, 4885, 6839, 16609, 18445, 30287, 34195, 83045, 116263, 151435, 212009, 514879, 581315, 1060045, 2574395, 3604153, 18020765]

約数ペア:

[(1, 18020765), (5, 3604153), (7, 2574395), (17, 1060045), (31, 581315), (35, 514879), (85, 212009), (119, 151435), (155, 116263), (217, 83045), (527, 34195), (595, 30287), (977, 18445), (1085, 16609), (2635, 6839), (3689, 4885)]