18291976

素因数分解:

$2^3\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 35193600

約数和(自身を除く): 16901624

約数列:

[1, 2, 4, 8, 79, 103, 158, 206, 281, 316, 412, 562, 632, 824, 1124, 2248, 8137, 16274, 22199, 28943, 32548, 44398, 57886, 65096, 88796, 115772, 177592, 231544, 2286497, 4572994, 9145988, 18291976]

約数ペア:

[(1, 18291976), (2, 9145988), (4, 4572994), (8, 2286497), (79, 231544), (103, 177592), (158, 115772), (206, 88796), (281, 65096), (316, 57886), (412, 44398), (562, 32548), (632, 28943), (824, 22199), (1124, 16274), (2248, 8137)]