19387452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{521}}^1$

素因数の和:978

約数の個数: 48

約数和(自身を含む): 51916032

約数和(自身を除く): 32528580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 443, 521, 886, 1042, 1329, 1563, 1772, 2084, 2658, 3101, 3126, 3647, 5316, 6202, 6252, 7294, 9303, 10941, 12404, 14588, 18606, 21882, 37212, 43764, 230803, 461606, 692409, 923212, 1384818, 1615621, 2769636, 3231242, 4846863, 6462484, 9693726, 19387452]

約数ペア:

[(1, 19387452), (2, 9693726), (3, 6462484), (4, 4846863), (6, 3231242), (7, 2769636), (12, 1615621), (14, 1384818), (21, 923212), (28, 692409), (42, 461606), (84, 230803), (443, 43764), (521, 37212), (886, 21882), (1042, 18606), (1329, 14588), (1563, 12404), (1772, 10941), (2084, 9303), (2658, 7294), (3101, 6252), (3126, 6202), (3647, 5316)]