18381853

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 23592960

約数和(自身を除く): 5211107

約数列:

[1, 7, 23, 29, 31, 127, 161, 203, 217, 667, 713, 889, 899, 2921, 3683, 3937, 4669, 4991, 6293, 20447, 20677, 25781, 27559, 84709, 90551, 114173, 144739, 592963, 633857, 799211, 2625979, 18381853]

約数ペア:

[(1, 18381853), (7, 2625979), (23, 799211), (29, 633857), (31, 592963), (127, 144739), (161, 114173), (203, 90551), (217, 84709), (667, 27559), (713, 25781), (889, 20677), (899, 20447), (2921, 6293), (3683, 4991), (3937, 4669)]