20193770019

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2548753}}^1$

素因数の和:2548914

約数の個数: 16

約数和(自身を含む): 28546044800

約数和(自身を除く): 8352274781

約数列:

[1, 3, 19, 57, 139, 417, 2641, 7923, 2548753, 7646259, 48426307, 145278921, 354276667, 1062830001, 6731256673, 20193770019]

約数ペア:

[(1, 20193770019), (3, 6731256673), (19, 1062830001), (57, 354276667), (139, 145278921), (417, 48426307), (2641, 7646259), (7923, 2548753)]