18132280

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19709}}^1$

素因数の和:19743

約数の個数: 32

約数和(自身を含む): 42573600

約数和(自身を除く): 24441320

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 19709, 39418, 78836, 98545, 157672, 197090, 394180, 453307, 788360, 906614, 1813228, 2266535, 3626456, 4533070, 9066140, 18132280]

約数ペア:

[(1, 18132280), (2, 9066140), (4, 4533070), (5, 3626456), (8, 2266535), (10, 1813228), (20, 906614), (23, 788360), (40, 453307), (46, 394180), (92, 197090), (115, 157672), (184, 98545), (230, 78836), (460, 39418), (920, 19709)]