18880053

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{7703}}^1$

素因数の和:7768

約数の個数: 16

約数和(自身を含む): 27118080

約数和(自身を除く): 8238027

約数列:

[1, 3, 19, 43, 57, 129, 817, 2451, 7703, 23109, 146357, 331229, 439071, 993687, 6293351, 18880053]

約数ペア:

[(1, 18880053), (3, 6293351), (19, 993687), (43, 439071), (57, 331229), (129, 146357), (817, 23109), (2451, 7703)]