18800306

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{9661}}^1$

素因数の和:9809

約数の個数: 16

約数和(自身を含む): 32464320

約数和(自身を除く): 13664014

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 9661, 19322, 67627, 135254, 1342879, 2685758, 9400153, 18800306]

約数ペア:

[(1, 18800306), (2, 9400153), (7, 2685758), (14, 1342879), (139, 135254), (278, 67627), (973, 19322), (1946, 9661)]