16838740

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{6427}}^1$

素因数の和:6567

約数の個数: 24

約数和(自身を含む): 35636832

約数和(自身を除く): 18798092

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 6427, 12854, 25708, 32135, 64270, 128540, 841937, 1683874, 3367748, 4209685, 8419370, 16838740]

約数ペア:

[(1, 16838740), (2, 8419370), (4, 4209685), (5, 3367748), (10, 1683874), (20, 841937), (131, 128540), (262, 64270), (524, 32135), (655, 25708), (1310, 12854), (2620, 6427)]