19935085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{941}}^1$

素因数の和:1188

約数の個数: 16

約数和(自身を含む): 25320960

約数和(自身を除く): 5385875

約数列:

[1, 5, 19, 95, 223, 941, 1115, 4237, 4705, 17879, 21185, 89395, 209843, 1049215, 3987017, 19935085]

約数ペア:

[(1, 19935085), (5, 3987017), (19, 1049215), (95, 209843), (223, 89395), (941, 21185), (1115, 17879), (4237, 4705)]