20131989163

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{389981}}^1$

素因数の和:390043

約数の個数: 24

約数和(自身を含む): 24961967856

約数和(自身を除く): 4829978693

約数列:

[1, 11, 13, 19, 143, 209, 247, 361, 2717, 3971, 4693, 51623, 389981, 4289791, 5069753, 7409639, 55767283, 81506029, 96325307, 140783141, 1059578377, 1548614551, 1830180833, 20131989163]

約数ペア:

[(1, 20131989163), (11, 1830180833), (13, 1548614551), (19, 1059578377), (143, 140783141), (209, 96325307), (247, 81506029), (361, 55767283), (2717, 7409639), (3971, 5069753), (4693, 4289791), (51623, 389981)]