19910504

素因数分解:

$2^3\times {\mathrm{1301}}^1\times {\mathrm{1913}}^1$

素因数の和:3220

約数の個数: 16

約数和(自身を含む): 37380420

約数和(自身を除く): 17469916

約数列:

[1, 2, 4, 8, 1301, 1913, 2602, 3826, 5204, 7652, 10408, 15304, 2488813, 4977626, 9955252, 19910504]

約数ペア:

[(1, 19910504), (2, 9955252), (4, 4977626), (8, 2488813), (1301, 15304), (1913, 10408), (2602, 7652), (3826, 5204)]