15973904

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{2441}}^1$

素因数の和:2858

約数の個数: 20

約数和(自身を含む): 31037820

約数和(自身を除く): 15063916

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 2441, 3272, 4882, 6544, 9764, 19528, 39056, 998369, 1996738, 3993476, 7986952, 15973904]

約数ペア:

[(1, 15973904), (2, 7986952), (4, 3993476), (8, 1996738), (16, 998369), (409, 39056), (818, 19528), (1636, 9764), (2441, 6544), (3272, 4882)]