18837436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{3491}}^1$

素因数の和:3585

約数の個数: 24

約数和(自身を含む): 35199360

約数和(自身を除く): 16361924

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 284, 1349, 2698, 3491, 5396, 6982, 13964, 66329, 132658, 247861, 265316, 495722, 991444, 4709359, 9418718, 18837436]

約数ペア:

[(1, 18837436), (2, 9418718), (4, 4709359), (19, 991444), (38, 495722), (71, 265316), (76, 247861), (142, 132658), (284, 66329), (1349, 13964), (2698, 6982), (3491, 5396)]