193720219

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{7789}}^1$

素因数の和:7843

約数の個数: 32

約数和(自身を含む): 269222400

約数和(自身を除く): 75502181

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 1309, 1463, 2261, 3553, 7789, 24871, 54523, 85679, 132413, 147991, 599753, 926891, 1035937, 1456543, 1627901, 2515847, 10195801, 11395307, 17610929, 27674317, 193720219]

約数ペア:

[(1, 193720219), (7, 27674317), (11, 17610929), (17, 11395307), (19, 10195801), (77, 2515847), (119, 1627901), (133, 1456543), (187, 1035937), (209, 926891), (323, 599753), (1309, 147991), (1463, 132413), (2261, 85679), (3553, 54523), (7789, 24871)]