18406731

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12007}}^1$

素因数の和:12090

約数の個数: 16

約数和(自身を含む): 28434944

約数和(自身を除く): 10028213

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12007, 36021, 84049, 252147, 876511, 2629533, 6135577, 18406731]

約数ペア:

[(1, 18406731), (3, 6135577), (7, 2629533), (21, 876511), (73, 252147), (219, 84049), (511, 36021), (1533, 12007)]