19796491

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 24454656

約数和(自身を除く): 4658165

約数列:

[1, 11, 13, 23, 143, 169, 253, 299, 463, 1859, 3289, 3887, 5093, 6019, 10649, 42757, 66209, 78247, 117139, 138437, 860717, 1522807, 1799681, 19796491]

約数ペア:

[(1, 19796491), (11, 1799681), (13, 1522807), (23, 860717), (143, 138437), (169, 117139), (253, 78247), (299, 66209), (463, 42757), (1859, 10649), (3289, 6019), (3887, 5093)]