18307508

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{653}}^1$

素因数の和:863

約数の個数: 24

約数和(自身を含む): 33034848

約数和(自身を除く): 14727340

約数列:

[1, 2, 4, 43, 86, 163, 172, 326, 652, 653, 1306, 2612, 7009, 14018, 28036, 28079, 56158, 106439, 112316, 212878, 425756, 4576877, 9153754, 18307508]

約数ペア:

[(1, 18307508), (2, 9153754), (4, 4576877), (43, 425756), (86, 212878), (163, 112316), (172, 106439), (326, 56158), (652, 28079), (653, 28036), (1306, 14018), (2612, 7009)]