15891156

素因数分解:

$2^2\times 3^2\times {\mathrm{441421}}^1$

素因数の和:441431

約数の個数: 18

約数和(自身を含む): 40169402

約数和(自身を除く): 24278246

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 441421, 882842, 1324263, 1765684, 2648526, 3972789, 5297052, 7945578, 15891156]

約数ペア:

[(1, 15891156), (2, 7945578), (3, 5297052), (4, 3972789), (6, 2648526), (9, 1765684), (12, 1324263), (18, 882842), (36, 441421)]