18121426

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1257

約数の個数: 16

約数和(自身を含む): 27998208

約数和(自身を除く): 9876782

約数列:

[1, 2, 41, 82, 223, 446, 991, 1982, 9143, 18286, 40631, 81262, 220993, 441986, 9060713, 18121426]

約数ペア:

[(1, 18121426), (2, 9060713), (41, 441986), (82, 220993), (223, 81262), (446, 40631), (991, 18286), (1982, 9143)]