15991088

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{13691}}^1$

素因数の和:13772

約数の個数: 20

約数和(自身を含む): 31409448

約数和(自身を除く): 15418360

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 13691, 27382, 54764, 109528, 219056, 999443, 1998886, 3997772, 7995544, 15991088]

約数ペア:

[(1, 15991088), (2, 7995544), (4, 3997772), (8, 1998886), (16, 999443), (73, 219056), (146, 109528), (292, 54764), (584, 27382), (1168, 13691)]