18888921818

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{13229}}^1\times {\mathrm{54917}}^1$

素因数の和:68161

約数の個数: 16

約数和(自身を含む): 30515735880

約数和(自身を除く): 11626814062

約数列:

[1, 2, 13, 26, 13229, 26458, 54917, 109834, 171977, 343954, 713921, 1427842, 726496993, 1452993986, 9444460909, 18888921818]

約数ペア:

[(1, 18888921818), (2, 9444460909), (13, 1452993986), (26, 726496993), (13229, 1427842), (26458, 713921), (54917, 343954), (109834, 171977)]