19605729

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1987}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 32062464

約数和(自身を除く): 12456735

約数列:

[1, 3, 11, 13, 23, 33, 39, 69, 143, 253, 299, 429, 759, 897, 1987, 3289, 5961, 9867, 21857, 25831, 45701, 65571, 77493, 137103, 284141, 502711, 594113, 852423, 1508133, 1782339, 6535243, 19605729]

約数ペア:

[(1, 19605729), (3, 6535243), (11, 1782339), (13, 1508133), (23, 852423), (33, 594113), (39, 502711), (69, 284141), (143, 137103), (253, 77493), (299, 65571), (429, 45701), (759, 25831), (897, 21857), (1987, 9867), (3289, 5961)]