18957384

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{937}}^1$

素因数の和:1230

約数の個数: 48

約数和(自身を含む): 51580620

約数和(自身を除く): 32623236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 937, 1124, 1686, 1874, 2248, 2529, 2811, 3372, 3748, 5058, 5622, 6744, 7496, 8433, 10116, 11244, 16866, 20232, 22488, 33732, 67464, 263297, 526594, 789891, 1053188, 1579782, 2106376, 2369673, 3159564, 4739346, 6319128, 9478692, 18957384]

約数ペア:

[(1, 18957384), (2, 9478692), (3, 6319128), (4, 4739346), (6, 3159564), (8, 2369673), (9, 2106376), (12, 1579782), (18, 1053188), (24, 789891), (36, 526594), (72, 263297), (281, 67464), (562, 33732), (843, 22488), (937, 20232), (1124, 16866), (1686, 11244), (1874, 10116), (2248, 8433), (2529, 7496), (2811, 6744), (3372, 5622), (3748, 5058)]