19621545

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 33264000

約数和(自身を除く): 13642455

約数列:

[1, 3, 5, 15, 29, 43, 87, 129, 145, 215, 435, 645, 1049, 1247, 3147, 3741, 5245, 6235, 15735, 18705, 30421, 45107, 91263, 135321, 152105, 225535, 456315, 676605, 1308103, 3924309, 6540515, 19621545]

約数ペア:

[(1, 19621545), (3, 6540515), (5, 3924309), (15, 1308103), (29, 676605), (43, 456315), (87, 225535), (129, 152105), (145, 135321), (215, 91263), (435, 45107), (645, 30421), (1049, 18705), (1247, 15735), (3147, 6235), (3741, 5245)]