19961793

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{1151}}^1$

素因数の和:1245

約数の個数: 24

約数和(自身を含む): 30191616

約数和(自身を除く): 10229823

約数列:

[1, 3, 9, 41, 47, 123, 141, 369, 423, 1151, 1927, 3453, 5781, 10359, 17343, 47191, 54097, 141573, 162291, 424719, 486873, 2217977, 6653931, 19961793]

約数ペア:

[(1, 19961793), (3, 6653931), (9, 2217977), (41, 486873), (47, 424719), (123, 162291), (141, 141573), (369, 54097), (423, 47191), (1151, 17343), (1927, 10359), (3453, 5781)]