18020072

素因数分解:

$2^3\times 7^1\times {\mathrm{439}}^1\times {\mathrm{733}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 38755200

約数和(自身を除く): 20735128

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 439, 733, 878, 1466, 1756, 2932, 3073, 3512, 5131, 5864, 6146, 10262, 12292, 20524, 24584, 41048, 321787, 643574, 1287148, 2252509, 2574296, 4505018, 9010036, 18020072]

約数ペア:

[(1, 18020072), (2, 9010036), (4, 4505018), (7, 2574296), (8, 2252509), (14, 1287148), (28, 643574), (56, 321787), (439, 41048), (733, 24584), (878, 20524), (1466, 12292), (1756, 10262), (2932, 6146), (3073, 5864), (3512, 5131)]