19504528

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13697}}^1$

素因数の和:13794

約数の個数: 20

約数和(自身を含む): 38217420

約数和(自身を除く): 18712892

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13697, 27394, 54788, 109576, 219152, 1219033, 2438066, 4876132, 9752264, 19504528]

約数ペア:

[(1, 19504528), (2, 9752264), (4, 4876132), (8, 2438066), (16, 1219033), (89, 219152), (178, 109576), (356, 54788), (712, 27394), (1424, 13697)]