19573851

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1$

素因数の和:132

約数の個数: 64

約数和(自身を含む): 33094656

約数和(自身を除く): 13520805

約数列:

[1, 3, 11, 17, 23, 33, 37, 41, 51, 69, 111, 123, 187, 253, 391, 407, 451, 561, 629, 697, 759, 851, 943, 1173, 1221, 1353, 1517, 1887, 2091, 2553, 2829, 4301, 4551, 6919, 7667, 9361, 10373, 12903, 14467, 16031, 16687, 20757, 23001, 25789, 28083, 31119, 34891, 43401, 48093, 50061, 77367, 104673, 159137, 176341, 283679, 383801, 477411, 529023, 593147, 851037, 1151403, 1779441, 6524617, 19573851]

約数ペア:

[(1, 19573851), (3, 6524617), (11, 1779441), (17, 1151403), (23, 851037), (33, 593147), (37, 529023), (41, 477411), (51, 383801), (69, 283679), (111, 176341), (123, 159137), (187, 104673), (253, 77367), (391, 50061), (407, 48093), (451, 43401), (561, 34891), (629, 31119), (697, 28083), (759, 25789), (851, 23001), (943, 20757), (1173, 16687), (1221, 16031), (1353, 14467), (1517, 12903), (1887, 10373), (2091, 9361), (2553, 7667), (2829, 6919), (4301, 4551)]