15991376

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{1987}}^1$

素因数の和:2498

約数の個数: 20

約数和(自身を含む): 31060512

約数和(自身を除く): 15069136

約数列:

[1, 2, 4, 8, 16, 503, 1006, 1987, 2012, 3974, 4024, 7948, 8048, 15896, 31792, 999461, 1998922, 3997844, 7995688, 15991376]

約数ペア:

[(1, 15991376), (2, 7995688), (4, 3997844), (8, 1998922), (16, 999461), (503, 31792), (1006, 15896), (1987, 8048), (2012, 7948), (3974, 4024)]