18876344

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{199}}^1$

素因数の和:443

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 17411656

約数列:

[1, 2, 4, 8, 71, 142, 167, 199, 284, 334, 398, 568, 668, 796, 1336, 1592, 11857, 14129, 23714, 28258, 33233, 47428, 56516, 66466, 94856, 113032, 132932, 265864, 2359543, 4719086, 9438172, 18876344]

約数ペア:

[(1, 18876344), (2, 9438172), (4, 4719086), (8, 2359543), (71, 265864), (142, 132932), (167, 113032), (199, 94856), (284, 66466), (334, 56516), (398, 47428), (568, 33233), (668, 28258), (796, 23714), (1336, 14129), (1592, 11857)]