18517936

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16301}}^1$

素因数の和:16380

約数の個数: 20

約数和(自身を含む): 36386064

約数和(自身を除く): 17868128

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16301, 32602, 65204, 130408, 260816, 1157371, 2314742, 4629484, 9258968, 18517936]

約数ペア:

[(1, 18517936), (2, 9258968), (4, 4629484), (8, 2314742), (16, 1157371), (71, 260816), (142, 130408), (284, 65204), (568, 32602), (1136, 16301)]