19132021

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 21337344

約数和(自身を除く): 2205323

約数列:

[1, 17, 23, 167, 293, 391, 2839, 3841, 4981, 6739, 48931, 65297, 114563, 831827, 1125413, 19132021]

約数ペア:

[(1, 19132021), (17, 1125413), (23, 831827), (167, 114563), (293, 65297), (391, 48931), (2839, 6739), (3841, 4981)]