18156712

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3643}}^1$

素因数の和:3745

約数の個数: 32

約数和(自身を含む): 39355200

約数和(自身を除く): 21198488

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 356, 623, 712, 1246, 2492, 3643, 4984, 7286, 14572, 25501, 29144, 51002, 102004, 204008, 324227, 648454, 1296908, 2269589, 2593816, 4539178, 9078356, 18156712]

約数ペア:

[(1, 18156712), (2, 9078356), (4, 4539178), (7, 2593816), (8, 2269589), (14, 1296908), (28, 648454), (56, 324227), (89, 204008), (178, 102004), (356, 51002), (623, 29144), (712, 25501), (1246, 14572), (2492, 7286), (3643, 4984)]