19741551

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7369}}^1$

素因数の和:7438

約数の個数: 16

約数和(自身を含む): 28300800

約数和(自身を除く): 8559249

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7369, 22107, 140011, 346343, 420033, 1039029, 6580517, 19741551]

約数ペア:

[(1, 19741551), (3, 6580517), (19, 1039029), (47, 420033), (57, 346343), (141, 140011), (893, 22107), (2679, 7369)]