19091979

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1\times {\mathrm{359}}^1$

素因数の和:695

約数の個数: 24

約数和(自身を含む): 29203200

約数和(自身を除く): 10111221

約数列:

[1, 3, 9, 19, 57, 171, 311, 359, 933, 1077, 2799, 3231, 5909, 6821, 17727, 20463, 53181, 61389, 111649, 334947, 1004841, 2121331, 6363993, 19091979]

約数ペア:

[(1, 19091979), (3, 6363993), (9, 2121331), (19, 1004841), (57, 334947), (171, 111649), (311, 61389), (359, 53181), (933, 20463), (1077, 17727), (2799, 6821), (3231, 5909)]