19767536

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17401}}^1$

素因数の和:17480

約数の個数: 20

約数和(自身を含む): 38841264

約数和(自身を除く): 19073728

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17401, 34802, 69604, 139208, 278416, 1235471, 2470942, 4941884, 9883768, 19767536]

約数ペア:

[(1, 19767536), (2, 9883768), (4, 4941884), (8, 2470942), (16, 1235471), (71, 278416), (142, 139208), (284, 69604), (568, 34802), (1136, 17401)]