19886448

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{7817}}^1$

素因数の和:7881

約数の個数: 40

約数和(自身を含む): 52349328

約数和(自身を除く): 32462880

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 7817, 15634, 23451, 31268, 46902, 62536, 93804, 125072, 187608, 375216, 414301, 828602, 1242903, 1657204, 2485806, 3314408, 4971612, 6628816, 9943224, 19886448]

約数ペア:

[(1, 19886448), (2, 9943224), (3, 6628816), (4, 4971612), (6, 3314408), (8, 2485806), (12, 1657204), (16, 1242903), (24, 828602), (48, 414301), (53, 375216), (106, 187608), (159, 125072), (212, 93804), (318, 62536), (424, 46902), (636, 31268), (848, 23451), (1272, 15634), (2544, 7817)]