19520788

素因数分解:

$2^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{4679}}^1$

素因数の和:4839

約数の個数: 24

約数和(自身を含む): 39312000

約数和(自身を除く): 19791212

約数列:

[1, 2, 4, 7, 14, 28, 149, 298, 596, 1043, 2086, 4172, 4679, 9358, 18716, 32753, 65506, 131012, 697171, 1394342, 2788684, 4880197, 9760394, 19520788]

約数ペア:

[(1, 19520788), (2, 9760394), (4, 4880197), (7, 2788684), (14, 1394342), (28, 697171), (149, 131012), (298, 65506), (596, 32753), (1043, 18716), (2086, 9358), (4172, 4679)]