19698171

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{4127}}^1$

素因数の和:4210

約数の個数: 16

約数和(自身を含む): 27608064

約数和(自身を除く): 7909893

約数列:

[1, 3, 37, 43, 111, 129, 1591, 4127, 4773, 12381, 152699, 177461, 458097, 532383, 6566057, 19698171]

約数ペア:

[(1, 19698171), (3, 6566057), (37, 532383), (43, 458097), (111, 177461), (129, 152699), (1591, 12381), (4127, 4773)]