18938283

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{69371}}^1$

素因数の和:69394

約数の個数: 16

約数和(自身を含む): 31078656

約数和(自身を除く): 12140373

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 69371, 208113, 485597, 901823, 1456791, 2705469, 6312761, 18938283]

約数ペア:

[(1, 18938283), (3, 6312761), (7, 2705469), (13, 1456791), (21, 901823), (39, 485597), (91, 208113), (273, 69371)]