18862816

素因数分解:

$2^5\times 7^1\times {\mathrm{107}}^1\times {\mathrm{787}}^1$

素因数の和:911

約数の個数: 48

約数和(自身を含む): 42892416

約数和(自身を除く): 24029600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 107, 112, 214, 224, 428, 749, 787, 856, 1498, 1574, 1712, 2996, 3148, 3424, 5509, 5992, 6296, 11018, 11984, 12592, 22036, 23968, 25184, 44072, 84209, 88144, 168418, 176288, 336836, 589463, 673672, 1178926, 1347344, 2357852, 2694688, 4715704, 9431408, 18862816]

約数ペア:

[(1, 18862816), (2, 9431408), (4, 4715704), (7, 2694688), (8, 2357852), (14, 1347344), (16, 1178926), (28, 673672), (32, 589463), (56, 336836), (107, 176288), (112, 168418), (214, 88144), (224, 84209), (428, 44072), (749, 25184), (787, 23968), (856, 22036), (1498, 12592), (1574, 11984), (1712, 11018), (2996, 6296), (3148, 5992), (3424, 5509)]