16981616

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{17989}}^1$

素因数の和:18056

約数の個数: 20

約数和(自身を含む): 33461400

約数和(自身を除く): 16479784

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 17989, 35978, 71956, 143912, 287824, 1061351, 2122702, 4245404, 8490808, 16981616]

約数ペア:

[(1, 16981616), (2, 8490808), (4, 4245404), (8, 2122702), (16, 1061351), (59, 287824), (118, 143912), (236, 71956), (472, 35978), (944, 17989)]