19798705

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1297}}^1$

素因数の和:1416

約数の個数: 16

約数和(自身を含む): 24672384

約数和(自身を除く): 4873679

約数列:

[1, 5, 43, 71, 215, 355, 1297, 3053, 6485, 15265, 55771, 92087, 278855, 460435, 3959741, 19798705]

約数ペア:

[(1, 19798705), (5, 3959741), (43, 460435), (71, 278855), (215, 92087), (355, 55771), (1297, 15265), (3053, 6485)]