18918964

素因数分解:

$2^2\times {\mathrm{971}}^1\times {\mathrm{4871}}^1$

素因数の和:5846

約数の個数: 12

約数和(自身を含む): 33149088

約数和(自身を除く): 14230124

約数列:

[1, 2, 4, 971, 1942, 3884, 4871, 9742, 19484, 4729741, 9459482, 18918964]

約数ペア:

[(1, 18918964), (2, 9459482), (4, 4729741), (971, 19484), (1942, 9742), (3884, 4871)]