19642766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 34903008

約数和(自身を除く): 15260242

約数列:

[1, 2, 11, 13, 22, 26, 143, 173, 286, 346, 397, 794, 1903, 2249, 3806, 4367, 4498, 5161, 8734, 10322, 24739, 49478, 56771, 68681, 113542, 137362, 755491, 892853, 1510982, 1785706, 9821383, 19642766]

約数ペア:

[(1, 19642766), (2, 9821383), (11, 1785706), (13, 1510982), (22, 892853), (26, 755491), (143, 137362), (173, 113542), (286, 68681), (346, 56771), (397, 49478), (794, 24739), (1903, 10322), (2249, 8734), (3806, 5161), (4367, 4498)]