18580085

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1108

約数の個数: 16

約数和(自身を含む): 23094720

約数和(自身を除く): 4514635

約数列:

[1, 5, 43, 89, 215, 445, 971, 3827, 4855, 19135, 41753, 86419, 208765, 432095, 3716017, 18580085]

約数ペア:

[(1, 18580085), (5, 3716017), (43, 432095), (89, 208765), (215, 86419), (445, 41753), (971, 19135), (3827, 4855)]