19485453

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 9932019

約数列:

[1, 3, 13, 31, 39, 71, 93, 213, 227, 403, 681, 923, 1209, 2201, 2769, 2951, 6603, 7037, 8853, 16117, 21111, 28613, 48351, 85839, 91481, 209521, 274443, 499627, 628563, 1498881, 6495151, 19485453]

約数ペア:

[(1, 19485453), (3, 6495151), (13, 1498881), (31, 628563), (39, 499627), (71, 274443), (93, 209521), (213, 91481), (227, 85839), (403, 48351), (681, 28613), (923, 21111), (1209, 16117), (2201, 8853), (2769, 7037), (2951, 6603)]