18939393

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1483}}^1$

素因数の和:1546

約数の個数: 32

約数和(自身を含む): 31342080

約数和(自身を除く): 12402687

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 1483, 4257, 4449, 12771, 13347, 16313, 40041, 48939, 63769, 146817, 191307, 440451, 573921, 701459, 1721763, 2104377, 6313131, 18939393]

約数ペア:

[(1, 18939393), (3, 6313131), (9, 2104377), (11, 1721763), (27, 701459), (33, 573921), (43, 440451), (99, 191307), (129, 146817), (297, 63769), (387, 48939), (473, 40041), (1161, 16313), (1419, 13347), (1483, 12771), (4257, 4449)]