18421143

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1427}}^1$

素因数の和:1774

約数の個数: 16

約数和(自身を含む): 26549376

約数和(自身を除く): 8128233

約数列:

[1, 3, 13, 39, 331, 993, 1427, 4281, 4303, 12909, 18551, 55653, 472337, 1417011, 6140381, 18421143]

約数ペア:

[(1, 18421143), (3, 6140381), (13, 1417011), (39, 472337), (331, 55653), (993, 18551), (1427, 12909), (4281, 4303)]