19900204

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{44027}}^1$

素因数の和:44144

約数の個数: 12

約数和(自身を含む): 35134344

約数和(自身を除く): 15234140

約数列:

[1, 2, 4, 113, 226, 452, 44027, 88054, 176108, 4975051, 9950102, 19900204]

約数ペア:

[(1, 19900204), (2, 9950102), (4, 4975051), (113, 176108), (226, 88054), (452, 44027)]