19983189

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1423}}^1$

素因数の和:1608

約数の個数: 16

約数和(自身を含む): 27705344

約数和(自身を除く): 7722155

約数列:

[1, 3, 31, 93, 151, 453, 1423, 4269, 4681, 14043, 44113, 132339, 214873, 644619, 6661063, 19983189]

約数ペア:

[(1, 19983189), (3, 6661063), (31, 644619), (93, 214873), (151, 132339), (453, 44113), (1423, 14043), (4269, 4681)]