19308939

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{15971}}^1$

素因数の和:16018

約数の個数: 16

約数和(自身を含む): 28621824

約数和(自身を除く): 9312885

約数列:

[1, 3, 13, 31, 39, 93, 403, 1209, 15971, 47913, 207623, 495101, 622869, 1485303, 6436313, 19308939]

約数ペア:

[(1, 19308939), (3, 6436313), (13, 1485303), (31, 622869), (39, 495101), (93, 207623), (403, 47913), (1209, 15971)]