315830236

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{218719}}^1$

素因数の和:218761

約数の個数: 18

約数和(自身を含む): 583326240

約数和(自身を除く): 267496004

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 218719, 437438, 874876, 4155661, 8311322, 16622644, 78957559, 157915118, 315830236]

約数ペア:

[(1, 315830236), (2, 157915118), (4, 78957559), (19, 16622644), (38, 8311322), (76, 4155661), (361, 874876), (722, 437438), (1444, 218719)]