19975790

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{13229}}^1$

素因数の和:13387

約数の個数: 16

約数和(自身を含む): 36197280

約数和(自身を除く): 16221490

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 13229, 26458, 66145, 132290, 1997579, 3995158, 9987895, 19975790]

約数ペア:

[(1, 19975790), (2, 9987895), (5, 3995158), (10, 1997579), (151, 132290), (302, 66145), (755, 26458), (1510, 13229)]