19810294

素因数分解:

$2^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{9371}}^1$

素因数の和:9531

約数の個数: 16

約数和(自身を含む): 34189056

約数和(自身を除く): 14378762

約数列:

[1, 2, 7, 14, 151, 302, 1057, 2114, 9371, 18742, 65597, 131194, 1415021, 2830042, 9905147, 19810294]

約数ペア:

[(1, 19810294), (2, 9905147), (7, 2830042), (14, 1415021), (151, 131194), (302, 65597), (1057, 18742), (2114, 9371)]