18912236

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{2053}}^1$

素因数の和:2118

約数の個数: 36

約数和(自身を含む): 39338208

約数和(自身を除く): 20425972

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2053, 2303, 4106, 4606, 8212, 9212, 14371, 28742, 57484, 96491, 100597, 192982, 201194, 385964, 402388, 675437, 1350874, 2701748, 4728059, 9456118, 18912236]

約数ペア:

[(1, 18912236), (2, 9456118), (4, 4728059), (7, 2701748), (14, 1350874), (28, 675437), (47, 402388), (49, 385964), (94, 201194), (98, 192982), (188, 100597), (196, 96491), (329, 57484), (658, 28742), (1316, 14371), (2053, 9212), (2303, 8212), (4106, 4606)]