19480142

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9949}}^1$

素因数の和:10051

約数の個数: 16

約数和(自身を含む): 32238000

約数和(自身を除く): 12757858

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9949, 19898, 109439, 218878, 885461, 1770922, 9740071, 19480142]

約数ペア:

[(1, 19480142), (2, 9740071), (11, 1770922), (22, 885461), (89, 218878), (178, 109439), (979, 19898), (1958, 9949)]