19642142

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17569}}^1$

素因数の和:17627

約数の個数: 16

約数和(自身を含む): 32469360

約数和(自身を除く): 12827218

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 17569, 35138, 228397, 456794, 755467, 1510934, 9821071, 19642142]

約数ペア:

[(1, 19642142), (2, 9821071), (13, 1510934), (26, 755467), (43, 456794), (86, 228397), (559, 35138), (1118, 17569)]