19936945

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{3823}}^1$

素因数の和:3984

約数の個数: 16

約数和(自身を含む): 27532800

約数和(自身を除く): 7595855

約数列:

[1, 5, 7, 35, 149, 745, 1043, 3823, 5215, 19115, 26761, 133805, 569627, 2848135, 3987389, 19936945]

約数ペア:

[(1, 19936945), (5, 3987389), (7, 2848135), (35, 569627), (149, 133805), (745, 26761), (1043, 19115), (3823, 5215)]