19791968

素因数分解:

$2^5\times 7^1\times {\mathrm{149}}^1\times {\mathrm{593}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 44906400

約数和(自身を除く): 25114432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 149, 224, 298, 593, 596, 1043, 1186, 1192, 2086, 2372, 2384, 4151, 4172, 4744, 4768, 8302, 8344, 9488, 16604, 16688, 18976, 33208, 33376, 66416, 88357, 132832, 176714, 353428, 618499, 706856, 1236998, 1413712, 2473996, 2827424, 4947992, 9895984, 19791968]

約数ペア:

[(1, 19791968), (2, 9895984), (4, 4947992), (7, 2827424), (8, 2473996), (14, 1413712), (16, 1236998), (28, 706856), (32, 618499), (56, 353428), (112, 176714), (149, 132832), (224, 88357), (298, 66416), (593, 33376), (596, 33208), (1043, 18976), (1186, 16688), (1192, 16604), (2086, 9488), (2372, 8344), (2384, 8302), (4151, 4768), (4172, 4744)]