18745278

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 19823682

約数列:

[1, 2, 3, 6, 71, 79, 142, 158, 213, 237, 426, 474, 557, 1114, 1671, 3342, 5609, 11218, 16827, 33654, 39547, 44003, 79094, 88006, 118641, 132009, 237282, 264018, 3124213, 6248426, 9372639, 18745278]

約数ペア:

[(1, 18745278), (2, 9372639), (3, 6248426), (6, 3124213), (71, 264018), (79, 237282), (142, 132009), (158, 118641), (213, 88006), (237, 79094), (426, 44003), (474, 39547), (557, 33654), (1114, 16827), (1671, 11218), (3342, 5609)]