189398416

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{20731}}^1$

素因数の和:21310

約数の個数: 20

約数和(自身を含む): 367619824

約数和(自身を除く): 178221408

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 4568, 9136, 20731, 41462, 82924, 165848, 331696, 11837401, 23674802, 47349604, 94699208, 189398416]

約数ペア:

[(1, 189398416), (2, 94699208), (4, 47349604), (8, 23674802), (16, 11837401), (571, 331696), (1142, 165848), (2284, 82924), (4568, 41462), (9136, 20731)]