15380144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73943}}^1$

素因数の和:73964

約数の個数: 20

約数和(自身を含む): 32091696

約数和(自身を除く): 16711552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 73943, 147886, 295772, 591544, 961259, 1183088, 1922518, 3845036, 7690072, 15380144]

約数ペア:

[(1, 15380144), (2, 7690072), (4, 3845036), (8, 1922518), (13, 1183088), (16, 961259), (26, 591544), (52, 295772), (104, 147886), (208, 73943)]