20180691236

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{265535411}}^1$

素因数の和:265535434

約数の個数: 12

約数和(自身を含む): 37174957680

約数和(自身を除く): 16994266444

約数列:

[1, 2, 4, 19, 38, 76, 265535411, 531070822, 1062141644, 5045172809, 10090345618, 20180691236]

約数ペア:

[(1, 20180691236), (2, 10090345618), (4, 5045172809), (19, 1062141644), (38, 531070822), (76, 265535411)]