18519804

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{3701}}^1$

素因数の和:3850

約数の個数: 36

約数和(自身を含む): 47163480

約数和(自身を除く): 28643676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 3701, 5004, 7402, 11103, 14804, 22206, 33309, 44412, 66618, 133236, 514439, 1028878, 1543317, 2057756, 3086634, 4629951, 6173268, 9259902, 18519804]

約数ペア:

[(1, 18519804), (2, 9259902), (3, 6173268), (4, 4629951), (6, 3086634), (9, 2057756), (12, 1543317), (18, 1028878), (36, 514439), (139, 133236), (278, 66618), (417, 44412), (556, 33309), (834, 22206), (1251, 14804), (1668, 11103), (2502, 7402), (3701, 5004)]