18504857

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6761}}^1$

素因数の和:6808

約数の個数: 16

約数和(自身を含む): 23369472

約数和(自身を除く): 4864615

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 6761, 47327, 114937, 155503, 804559, 1088521, 2643551, 18504857]

約数ペア:

[(1, 18504857), (7, 2643551), (17, 1088521), (23, 804559), (119, 155503), (161, 114937), (391, 47327), (2737, 6761)]