18999680

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{4241}}^1$

素因数の和:4267

約数の個数: 64

約数和(自身を含む): 51922080

約数和(自身を除く): 32922400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4241, 4480, 8482, 16964, 21205, 29687, 33928, 42410, 59374, 67856, 84820, 118748, 135712, 148435, 169640, 237496, 271424, 296870, 339280, 474992, 542848, 593740, 678560, 949984, 1187480, 1357120, 1899968, 2374960, 2714240, 3799936, 4749920, 9499840, 18999680]

約数ペア:

[(1, 18999680), (2, 9499840), (4, 4749920), (5, 3799936), (7, 2714240), (8, 2374960), (10, 1899968), (14, 1357120), (16, 1187480), (20, 949984), (28, 678560), (32, 593740), (35, 542848), (40, 474992), (56, 339280), (64, 296870), (70, 271424), (80, 237496), (112, 169640), (128, 148435), (140, 135712), (160, 118748), (224, 84820), (280, 67856), (320, 59374), (448, 42410), (560, 33928), (640, 29687), (896, 21205), (1120, 16964), (2240, 8482), (4241, 4480)]