18831189

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{28403}}^1$

素因数の和:28436

約数の個数: 16

約数和(自身を含む): 28631232

約数和(自身を除く): 9800043

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 28403, 85209, 369239, 482851, 1107717, 1448553, 6277063, 18831189]

約数ペア:

[(1, 18831189), (3, 6277063), (13, 1448553), (17, 1107717), (39, 482851), (51, 369239), (221, 85209), (663, 28403)]