19495836

素因数分解:

$2^2\times 3^3\times {\mathrm{97}}^1\times {\mathrm{1861}}^1$

素因数の和:1971

約数の個数: 48

約数和(自身を含む): 51093280

約数和(自身を除く): 31597444

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 97, 108, 194, 291, 388, 582, 873, 1164, 1746, 1861, 2619, 3492, 3722, 5238, 5583, 7444, 10476, 11166, 16749, 22332, 33498, 50247, 66996, 100494, 180517, 200988, 361034, 541551, 722068, 1083102, 1624653, 2166204, 3249306, 4873959, 6498612, 9747918, 19495836]

約数ペア:

[(1, 19495836), (2, 9747918), (3, 6498612), (4, 4873959), (6, 3249306), (9, 2166204), (12, 1624653), (18, 1083102), (27, 722068), (36, 541551), (54, 361034), (97, 200988), (108, 180517), (194, 100494), (291, 66996), (388, 50247), (582, 33498), (873, 22332), (1164, 16749), (1746, 11166), (1861, 10476), (2619, 7444), (3492, 5583), (3722, 5238)]