18871696

素因数分解:

$2^4\times {\mathrm{647}}^1\times {\mathrm{1823}}^1$

素因数の和:2478

約数の個数: 20

約数和(自身を含む): 36640512

約数和(自身を除く): 17768816

約数列:

[1, 2, 4, 8, 16, 647, 1294, 1823, 2588, 3646, 5176, 7292, 10352, 14584, 29168, 1179481, 2358962, 4717924, 9435848, 18871696]

約数ペア:

[(1, 18871696), (2, 9435848), (4, 4717924), (8, 2358962), (16, 1179481), (647, 29168), (1294, 14584), (1823, 10352), (2588, 7292), (3646, 5176)]