18705136

素因数分解:

$2^4\times {\mathrm{491}}^1\times {\mathrm{2381}}^1$

素因数の和:2880

約数の個数: 20

約数和(自身を含む): 36330264

約数和(自身を除く): 17625128

約数列:

[1, 2, 4, 8, 16, 491, 982, 1964, 2381, 3928, 4762, 7856, 9524, 19048, 38096, 1169071, 2338142, 4676284, 9352568, 18705136]

約数ペア:

[(1, 18705136), (2, 9352568), (4, 4676284), (8, 2338142), (16, 1169071), (491, 38096), (982, 19048), (1964, 9524), (2381, 7856), (3928, 4762)]