1993609865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{84961}}^1$

素因数の和:85017

約数の個数: 24

約数和(自身を含む): 2719123848

約数和(自身を除く): 725513983

約数列:

[1, 5, 13, 19, 65, 95, 247, 361, 1235, 1805, 4693, 23465, 84961, 424805, 1104493, 1614259, 5522465, 8071295, 20985367, 30670921, 104926835, 153354605, 398721973, 1993609865]

約数ペア:

[(1, 1993609865), (5, 398721973), (13, 153354605), (19, 104926835), (65, 30670921), (95, 20985367), (247, 8071295), (361, 5522465), (1235, 1614259), (1805, 1104493), (4693, 424805), (23465, 84961)]