19111239

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4973}}^1$

素因数の和:5047

約数の個数: 24

約数和(自身を含む): 32072352

約数和(自身を除く): 12961113

約数列:

[1, 3, 7, 9, 21, 61, 63, 183, 427, 549, 1281, 3843, 4973, 14919, 34811, 44757, 104433, 303353, 313299, 910059, 2123471, 2730177, 6370413, 19111239]

約数ペア:

[(1, 19111239), (3, 6370413), (7, 2730177), (9, 2123471), (21, 910059), (61, 313299), (63, 303353), (183, 104433), (427, 44757), (549, 34811), (1281, 14919), (3843, 4973)]