20161519324

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{13962271}}^1$

素因数の和:13962313

約数の個数: 18

約数和(自身を含む): 37237379424

約数和(自身を除く): 17075860100

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 13962271, 27924542, 55849084, 265283149, 530566298, 1061132596, 5040379831, 10080759662, 20161519324]

約数ペア:

[(1, 20161519324), (2, 10080759662), (4, 5040379831), (19, 1061132596), (38, 530566298), (76, 265283149), (361, 55849084), (722, 27924542), (1444, 13962271)]