19747707905

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{1723}}^1\times {\mathrm{79043}}^1$

素因数の和:80800

約数の個数: 16

約数和(自身を含む): 24528934080

約数和(自身を除く): 4781226175

約数列:

[1, 5, 29, 145, 1723, 8615, 49967, 79043, 249835, 395215, 2292247, 11461235, 136191089, 680955445, 3949541581, 19747707905]

約数ペア:

[(1, 19747707905), (5, 3949541581), (29, 680955445), (145, 136191089), (1723, 11461235), (8615, 2292247), (49967, 395215), (79043, 249835)]