18157868

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{461}}^1$

素因数の和:737

約数の個数: 24

約数和(自身を含む): 32728080

約数和(自身を除く): 14570212

約数列:

[1, 2, 4, 43, 86, 172, 229, 458, 461, 916, 922, 1844, 9847, 19694, 19823, 39388, 39646, 79292, 105569, 211138, 422276, 4539467, 9078934, 18157868]

約数ペア:

[(1, 18157868), (2, 9078934), (4, 4539467), (43, 422276), (86, 211138), (172, 105569), (229, 79292), (458, 39646), (461, 39388), (916, 19823), (922, 19694), (1844, 9847)]