17931782

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{42899}}^1$

素因数の和:42931

約数の個数: 16

約数和(自身を含む): 30888000

約数和(自身を除く): 12956218

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 42899, 85798, 471889, 815081, 943778, 1630162, 8965891, 17931782]

約数ペア:

[(1, 17931782), (2, 8965891), (11, 1630162), (19, 943778), (22, 815081), (38, 471889), (209, 85798), (418, 42899)]