19980857533

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{6733}}^1\times {\mathrm{32611}}^1$

素因数の和:39364

約数の個数: 16

約数和(自身を含む): 24596231296

約数和(自身を除く): 4615373763

約数列:

[1, 7, 13, 91, 6733, 32611, 47131, 87529, 228277, 423943, 612703, 2967601, 219569863, 1536989041, 2854408219, 19980857533]

約数ペア:

[(1, 19980857533), (7, 2854408219), (13, 1536989041), (91, 219569863), (6733, 2967601), (32611, 612703), (47131, 423943), (87529, 228277)]