18999008

素因数分解:

$2^5\times 7^1\times {\mathrm{89}}^1\times {\mathrm{953}}^1$

素因数の和:1059

約数の個数: 48

約数和(自身を含む): 43273440

約数和(自身を除く): 24274432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 89, 112, 178, 224, 356, 623, 712, 953, 1246, 1424, 1906, 2492, 2848, 3812, 4984, 6671, 7624, 9968, 13342, 15248, 19936, 26684, 30496, 53368, 84817, 106736, 169634, 213472, 339268, 593719, 678536, 1187438, 1357072, 2374876, 2714144, 4749752, 9499504, 18999008]

約数ペア:

[(1, 18999008), (2, 9499504), (4, 4749752), (7, 2714144), (8, 2374876), (14, 1357072), (16, 1187438), (28, 678536), (32, 593719), (56, 339268), (89, 213472), (112, 169634), (178, 106736), (224, 84817), (356, 53368), (623, 30496), (712, 26684), (953, 19936), (1246, 15248), (1424, 13342), (1906, 9968), (2492, 7624), (2848, 6671), (3812, 4984)]